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发明名称
摘要
申请公布号
JPS5532472(B2)
申请公布日期
1980.08.25
申请号
JP19720095801
申请日期
1972.09.26
申请人
发明人
分类号
C21D9/00;B23K1/002;B23K31/02;C21D1/18;C21D1/62;C21D9/08;(IPC1-7):B23K1/12
主分类号
C21D9/00
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