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摘要
申请公布号
FR2320159(B1)
申请公布日期
1980.04.04
申请号
FR19760024126
申请日期
1976.08.06
申请人
NIPPON KOKAN KK
发明人
分类号
B23K31/00;B23K9/025;B23K37/00;(IPC1-7):B23K31/06
主分类号
B23K31/00
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