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发明名称
摘要
申请公布号
DE2141425(A1)
申请公布日期
1972.02.24
申请号
DE19712141425
申请日期
1971.08.18
申请人
发明人
分类号
B23K9/028;(IPC1-7):B23K37/00
主分类号
B23K9/028
代理机构
代理人
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地址
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