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发明名称
Method and apparatus for joining metal parts
摘要
申请公布号
US3274650(A)
申请公布日期
1966.09.27
申请号
US19640358214
申请日期
1964.04.08
申请人
ERICO PRODUCTS, INC.
发明人
GELFAND LEONARD
分类号
B23K23/00;E04C5/18
主分类号
B23K23/00
代理机构
代理人
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