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发明名称
摘要
申请公布号
JPS4942123(U)
申请公布日期
1974.04.13
申请号
JP19720078511U
申请日期
1972.07.03
申请人
发明人
分类号
B23K9/32;(IPC1-7):B23K9/32
主分类号
B23K9/32
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代理人
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地址
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