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发明名称
FIN TUBING MAKING METHOD AND APPARATUS
摘要
申请公布号
CA437226(A)
申请公布日期
1946.10.01
申请号
CAD437226
申请日期
申请人
THE GRISCOM-RUSSELL COMPANY
发明人
ERNEST BRUEGGER
分类号
主分类号
代理机构
代理人
主权项
地址
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