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经营范围
发明名称
Chemical conversion film formation-evaluating liquid for steel
摘要
申请公布号
EP1986004(A3)
申请公布日期
2010.12.15
申请号
EP20080155120
申请日期
2008.04.24
申请人
NHK SPRING CO., LTD.
发明人
RIKIMARU, TAIICHI;SUZUKI, TAKESHI;ONO, YOSHIKI
分类号
G01N31/22;G01N17/00
主分类号
G01N31/22
代理机构
代理人
主权项
地址
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