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发明名称
SEAL FOR PUMPS
摘要
申请公布号
CA332136(A)
申请公布日期
1933.05.02
申请号
CAD332136
申请日期
申请人
THE AMES PUMP COMPANY
发明人
RHEUEL H. FREDERICK
分类号
主分类号
代理机构
代理人
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