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发明名称
摘要
申请公布号
JPS53162123(U)
申请公布日期
1978.12.19
申请号
JP19770068974U
申请日期
1977.05.27
申请人
发明人
分类号
B23K9/28;(IPC1-7):B23K9/28
主分类号
B23K9/28
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