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发明名称
POCKET FORMING METHOD
摘要
申请公布号
CA346744(A)
申请公布日期
1934.12.11
申请号
CAD346744
申请日期
申请人
THE VAN DRESSER SPECIALTY CORPORATION
发明人
FRED BURCH
分类号
主分类号
代理机构
代理人
主权项
地址
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