GBT 28195-2011 玻璃软化点测试方法
GBT 27978-2011 水泥生产原料中废渣用量的测定方法
GBT 28879-2012 电工仪器仪表产品型号编制方法
GBT 27722-2011
GBT 28885-2012 燃气服务导则
GBT 27977-2011
GBT 30202.2-2013 脱硫脱硝用煤质颗粒活性炭试验方法 第2部分 粒度
GBT 31111-2014 反射型自镇流LED灯规格分类
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GBT 30202.1-2013 脱硫脱硝用煤质颗粒活性炭试验方法 第1部分 堆积密度
GBT 30202.4-2013 脱硫脱硝用煤质颗粒活性炭试验方法 第4部分 脱硫值
GBT 30202.5-2013 脱硫脱硝用煤质颗粒活性炭试验方法 第5部分 脱硝率
GBT 30859-2014 太阳能电池用硅片翘曲度和波纹度测试方法
GBT 30218-2013
管法兰、垫片选用手册(第2版)
甲骨文图解:汉字溯源 姬克喜
计量泵设计和试验的研究
国宝传奇 《图说天下 探索发现系列》编委会
GBT 32338-2015 石油天然气工业 钻井和修井设备 钻井泵
ISO 45001-2018
GBT 231.1-2018金属材料 洛氏硬度试验 第1部分 试验方法
GBT 17186.2-2018 管法兰连接计算方法 第2部分:基于泄漏率的计算方法
GBT12225-2018 通用阀门 铜合金铸件技术条件
GB T 17744-2015 石油天然气工业 钻井和修井设备
MSS SP-44-2010 钢制管道法兰(中文)
SYT 6610-2017硫化氢环境井下作业场所作业安全规范
SYT 6507-2017 压力容器检验规范 在役检验、定级、修理及改造
SYT 5676-2017 石油天然气工业用自由锻件
SY6499-2017泄压装置的检测
SYT 5170-2013石油天然气工业用钢丝绳
GBT 12459-2017 钢制对焊管件类型与参数
ISO 7005.1-2011工业和通用管道系统钢法兰
高中课本《平面解析几何+》全1册(必修)--人教
高中课本《立体几何+》全1册(必修)--人教社+1990
高中课本《化学》(必修)第2册--人教社+1995
高中课本《化学》(选修)第3册--人教社+1995
ansi.s1.4.1983
高中课本《化学》(必修)第1册--人教社+1995
工艺管道ASME B31.3 实用指南
高中课本《代数》下册(必修)--人教社+1990
高中课本《微积分初步》(甲种本)全1册--人教社+1985
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高中数学精编-立体几何-高一用
DIN EN 10208-1꞉1998 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 11851꞉1998 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60034-1꞉2008 VDE 0530-1 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 50526-1꞉2009 VDE 0115-526-1 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 10083-2꞉1996 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 00312꞉2003 (EN) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 50399꞉2008 VDE 0284-399 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60364-5-52꞉2004 VDE 0100-520 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 10217-1꞉1991 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60034-18-21꞉2008 VDE 0530-18-21 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 50100꞉1978 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16966-6꞉1982 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60664-2-1꞉2008 VDE 0110-2-1 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 01072꞉1985 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 01451-1꞉1999 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 19242-4꞉1987 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25487꞉1990 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16869-2꞉1995 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN ISO 03506-1꞉1998 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 01055-5꞉2004 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25425-1-1꞉1995 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 18807-3꞉1987 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 20536꞉1992 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 13080-4꞉2004 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25496꞉1992 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 00488꞉1972 (EN) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 18012꞉2008 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 09870-2꞉1972 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25424-1꞉1981 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16560-4꞉2000 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 13647꞉2003 (EN) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 00915꞉1980 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 22005-1꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 13411꞉1999 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
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DIN 16566-20꞉2007 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60034-31꞉2008 VDE 0530-31 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 60204-33꞉2006 VDE 0113-33 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 01654-3꞉1989 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 17456꞉1999 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 19685꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 62282-3-2꞉2009 VDE 0130-302 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN ISO 09004-7꞉1993 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 08063-4꞉1983 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 19627꞉1993 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25482-2꞉1992 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 04108-4꞉1991 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 54111-2꞉1982 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16765꞉2006 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 25482-1꞉1989 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 61083-2꞉2006 VDE 0432-8 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN ISO 14040꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16966-7꞉1995 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 60617-11꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 19584-2꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 61340-4-7꞉2008 VDE 0300-4-7 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 02076꞉1964 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 08237꞉1982 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 16969꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 62267꞉2008 VDE 0831-267 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 17405꞉1979 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN IEC 62271-203꞉2008 VDE 0671-203 (DE) - Draft ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN 10311꞉1985 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 60617-2꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
ASTM_E112__中文修订版
ASTM A790-2018中文版
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ASTM A800-2014中文版
ASTM A488-2017中文版
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DIN EN 20898-1꞉1992 ISO 00898-1꞉1988 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
DIN EN 00288-4꞉1997 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
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DIN EN 10051꞉1992 (DE) ᴾᴼᴼᴮᴸᴵᶜᴽ
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