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发明名称
Pump and valve structure
摘要
申请公布号
US1834543(A)
申请公布日期
1931.12.01
申请号
US19280307811
申请日期
1928.09.24
申请人
H. D. HUDSON MANUFACTURING COMPANY
发明人
KEGLER ANTON W.
分类号
F04B9/14;F04B11/00;F04B23/02;F04B53/00;F04B53/10
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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