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发明名称
摘要
申请公布号
JPS5646943(B2)
申请公布日期
1981.11.06
申请号
JP19750106239
申请日期
1975.09.01
申请人
发明人
分类号
B23P17/00;B23K9/00;B23K11/00;B23K28/00
主分类号
B23P17/00
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代理人
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