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经营范围
发明名称
PUMP SHAFT SEAL
摘要
申请公布号
CA383617(A)
申请公布日期
1939.08.29
申请号
CAD383617
申请日期
申请人
SAMUEL F. DUPREE, JR.
发明人
SAMUEL F. DUPREE, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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