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发明名称
Submersible pump
摘要
申请公布号
US2972955(A)
申请公布日期
1961.02.28
申请号
US19570647731
申请日期
1957.03.21
申请人
HARALD RICHTER;CARLO KURTZ
发明人
RICHTER HARALD;KURTZ CARLO
分类号
F04B1/20;F04B47/06
主分类号
F04B1/20
代理机构
代理人
主权项
地址
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