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发明名称
Improvements relating to composite metallic articles
摘要
申请公布号
GB628197(A)
申请公布日期
1949.08.24
申请号
GB19470018092
申请日期
1947.07.09
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
B23K20/227
主分类号
B23K20/227
代理机构
代理人
主权项
地址
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