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发明名称
Pumping mechanism
摘要
申请公布号
US1991761(A)
申请公布日期
1935.02.19
申请号
US19330691308
申请日期
1933.09.28
申请人
INGERSOLL-RAND COMPANY
发明人
MCHUGH ANTHONY L.
分类号
F04D29/62
主分类号
F04D29/62
代理机构
代理人
主权项
地址
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