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发明名称
摘要
申请公布号
JPH01503375(A)
申请公布日期
1989.11.16
申请号
JP19870505401
申请日期
1987.05.29
申请人
发明人
分类号
B23D1/24;B21C37/08;B23D79/02;B23K11/36
主分类号
B23D1/24
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