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发明名称
摘要
申请公布号
SU485844(A1)
申请公布日期
1975.09.30
申请号
SU19731951513
申请日期
1973.08.02
申请人
发明人
分类号
(IPC1-7):B23K19/00
主分类号
(IPC1-7):B23K19/00
代理机构
代理人
主权项
地址
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