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发明名称
摘要
申请公布号
GB1252772(A)
申请公布日期
1971.11.10
申请号
GBD1252772
申请日期
1968.10.23
申请人
发明人
分类号
B05C5/04;B23K3/06;H01H37/46;H05B1/02
主分类号
B05C5/04
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代理人
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