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发明名称
Pumping device
摘要
申请公布号
US1843939(A)
申请公布日期
1932.02.09
申请号
US19280322815
申请日期
1928.11.30
申请人
STEWART-WARNER CORPORATION
发明人
WHEELER LEONARD H.
分类号
F04B9/04;F04B39/00
主分类号
F04B9/04
代理机构
代理人
主权项
地址
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