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发明名称
Vented molding ferrule for electric stud selding
摘要
申请公布号
US2416204(A)
申请公布日期
1947.02.18
申请号
US19430510981
申请日期
1943.11.19
申请人
TED NELSON
发明人
NELSON TED
分类号
B23K9/20
主分类号
B23K9/20
代理机构
代理人
主权项
地址
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