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经营范围
发明名称
Process for measuring the value of carbon content of a steel bath in an oxygen top-blowing converter
摘要
申请公布号
GB1087053(A)
申请公布日期
1967.10.11
申请号
GB19640039206
申请日期
1964.09.25
申请人
YAWATA IRON & STEEL CO., LTD.;YOKOYAMA ENGINEERING CO., LTD.
发明人
分类号
C21C5/30;G01N33/20
主分类号
C21C5/30
代理机构
代理人
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CONVEYORS
METHODS OF TREATING TIN BEARING MATERIALS
SPRING SASH BALANCES
SUBSTITUTED DIAMINES
DIAZOTHIOETHERS AND THEIR USE AS POLYMERIZATION INITIATORS AND MODIFIERS