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发明名称
摘要
申请公布号
JPH0447865(U)
申请公布日期
1992.04.23
申请号
JP19900091407U
申请日期
1990.08.30
申请人
发明人
分类号
B23K3/02;(IPC1-7):B23K3/02
主分类号
B23K3/02
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代理人
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地址
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