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发明名称
摘要
申请公布号
DE2023683(A1)
申请公布日期
1970.12.03
申请号
DE19702023683
申请日期
1970.05.14
申请人
HITACHI METALS LTD
发明人
HIRAOKA M;HIKITA Y
分类号
B23K37/02;B60L13/04;B61C15/04;B62D55/265;B63B59/10;H01F7/20;(IPC1-7):B60S3/02
主分类号
B23K37/02
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代理人
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