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发明名称
摘要
申请公布号
JPS542898(B2)
申请公布日期
1979.02.15
申请号
JP19740147663
申请日期
1974.12.24
申请人
发明人
分类号
B23K7/10;B23K7/00;B23K9/127;B23Q33/00
主分类号
B23K7/10
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