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发明名称
摘要
申请公布号
SU410964(A1)
申请公布日期
1974.01.15
申请号
SU19701453794
申请日期
1970.06.29
申请人
发明人
分类号
B23K37/047;B23K37/04;B29C65/02;(IPC1-7):B29C27/02
主分类号
B23K37/047
代理机构
代理人
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