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经营范围
发明名称
Method of joining a sheet metal part to a metal tube
摘要
申请公布号
US6836948(B2)
申请公布日期
2005.01.04
申请号
US20030359020
申请日期
2003.02.05
申请人
GEN MOTORS CORP
发明人
WANG PEI-CHUNG
分类号
B21J15/02;B21J15/08;B21J15/46;B23K11/00;B23P11/00;(IPC1-7):B23P11/00
主分类号
B21J15/02
代理机构
代理人
主权项
地址
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