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发明名称
Pump
摘要
申请公布号
US2208057(A)
申请公布日期
1940.07.16
申请号
US19370178705
申请日期
1937.12.08
申请人
SKITCH HAROLD C
发明人
SKITCH HAROLD C.
分类号
F04D29/42
主分类号
F04D29/42
代理机构
代理人
主权项
地址
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