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经营范围
发明名称
Stud welding apparatus
摘要
申请公布号
US4942283(A)
申请公布日期
1990.07.17
申请号
US19890419304
申请日期
1989.10.10
申请人
EMHART INDUSTRIES, INC.
发明人
MERGELL, BRUNO
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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