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发明名称
Automatic frictionless guided welding apparatus
摘要
申请公布号
US3417225(A)
申请公布日期
1968.12.17
申请号
US19650478105
申请日期
1965.08.09
申请人
GENERAL DYNAMICS CORPORATION
发明人
CHRISTIAN EARL L.
分类号
B23K9/28;B23Q35/121
主分类号
B23K9/28
代理机构
代理人
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