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发明名称
CENTRIFUGAL PUMP
摘要
申请公布号
CA380301(A)
申请公布日期
1939.03.21
申请号
CAD380301
申请日期
申请人
FRANK E. STELZER
发明人
FRANK E. STELZER
分类号
主分类号
代理机构
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