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发明名称
Improvements relating to the production of bi-metallic strip
摘要
申请公布号
GB438789(A)
申请公布日期
1935.11.25
申请号
GB19340012161
申请日期
1934.04.23
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
分类号
B23K20/04
主分类号
B23K20/04
代理机构
代理人
主权项
地址
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