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发明名称
摘要
申请公布号
SU407688(A1)
申请公布日期
1973.12.10
申请号
SU19711689961
申请日期
1971.08.04
申请人
发明人
分类号
B23K35/24;(IPC1-7):B23K35/24
主分类号
B23K35/24
代理机构
代理人
主权项
地址
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