21309和92176区别
21309和92176同为万位数。它们的区别在于个位 、十位、百位、千位、万位的数值都有差异21309比92176小7086792167比21309大70867 。
求ASTM A992 标准
ASTM A992 steel is a structural steel alloy often used in the USA for steel Ieams Like other caron steels the density of ASTM A992 steel is approximately 7850 kgm3 ASTM A992 steel has the following minimum mechanical properties according to ASTM specification A992A992M T
如题本人现求此标准有的朋友可以传下么谢谢
萘2磺酰胺的欧盟海关编码是什么
基本信息 中文名称 萘2磺酰胺 英文名称 Naphthalene2sulfonamide 英文别名 naphthalene2sulfonamide CAS号 1576472 欧盟海关编码HScode29350090 概述Summary29350090 Other sulphonamides General tariff65
萘2磺酰胺的欧盟海关编码HS code是什么
求ASTM A992 标准
ASTM A992 steel is a structural steel alloy often used in the USA for steel Ieams Like other caron steels the density of ASTM A992 steel is approximately 7850 kgm3 ASTM A992 steel has the following minimum mechanical properties according to ASTM specification A992A992M T
如题本人现求此标准有的朋友可以传下么谢谢
求ASTM A992 标准
ASTM标准中译本丛书一碳钢、铸铁 、不锈钢及合金钢材料标准规范含18个截止阀外形尺寸标准规范 ASTM F9921986R2001阀门铭牌标准规范 ASTM F993
如题本人现求此标准有的朋友可以传下么谢谢
g47t22421991啥意思
你好这个是国家标准是关于机床夹具零件及部件 直角对刀块的标准规范 。 参考httpwwwcsrescomdetail117857html ps 已经作废了 。
iso 9223等同于哪个国标
iso 9223 等同于国标GBT 192921 GBT 1929212003 金属和合金的腐蚀 大气腐蚀性 分类 采用标准ISO 92231992IDT
2氰基苯磺酰胺的美国海关编码是什么
Notes if the compound is a fast color ase or fast color saltuse HTS 2935002000 If compound is an antiinfective agentuse HTS 2935004800 If compound elongs to other druguse HTS 2935006000 Rate general 6520 Rate special Free AAUBHCACLCODEILJJOKKR
2氰基苯磺酰胺的美国海关编码HS code是什么
2溴N丙基苯磺酰胺的美国海关编码是什么
Notes if the compound is a fast color ase or fast color saltuse HTS 2935002000 If compound is an antiinfective agentuse HTS 2935004800 If compound elongs to other druguse HTS 2935006000 Rate general 6520 Rate special Free AAUBHCACLCODEILJJOKKR
2溴N丙基苯磺酰胺的美国海关编码HS code是什么