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发明名称
摘要
申请公布号
SU361048(A1)
申请公布日期
1972.12.07
申请号
SU19711677972
申请日期
1971.07.05
申请人
发明人
分类号
B23K37/02;B23K9/04;B23K9/12;B23K9/14;(IPC1-7):B23K37/02
主分类号
B23K37/02
代理机构
代理人
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