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发明名称
Fonte de fer résistante à l'usure
摘要
申请公布号
CH439764(A)
申请公布日期
1967.07.15
申请号
CH19620004278
申请日期
1962.04.07
申请人
NIPPON PISTON RING COMPANY LIMITED
发明人
TAKAO,TSUTOMU;TAKAHASHI,KENTARO
分类号
C21C1/08;C22C35/00;C22C37/00;(IPC1-7):C22C37/00
主分类号
C21C1/08
代理机构
代理人
主权项
地址
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