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发明名称
VORRICHTUNG,INSBESONDERE ZUM VERSCHWEISSEN VON WERKSTUECKEN DURCH EINE RINGFOERMIGE NAHT
摘要
申请公布号
DD132248(B1)
申请公布日期
1983.06.15
申请号
DD19770200483
申请日期
1977.08.08
申请人
发明人
分类号
B23K37/04
主分类号
B23K37/04
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代理人
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地址
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