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发明名称
Rotary pump
摘要
申请公布号
US2499163(A)
申请公布日期
1950.02.28
申请号
US19480005622
申请日期
1948.01.31
申请人
H. J. RAND WASHING MACHINE CORP.
发明人
RAND HENRY J.
分类号
F04C2/40;F04C2/44;F04C5/00
主分类号
F04C2/40
代理机构
代理人
主权项
地址
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