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发明名称
Valve mechanism for pumps
摘要
申请公布号
US1780121(A)
申请公布日期
1930.10.28
申请号
US19260152416
申请日期
1926.12.03
申请人
KULAIR CORPORATION
发明人
DUNNING ELMER D.
分类号
F04B39/10;F16K15/16
主分类号
F04B39/10
代理机构
代理人
主权项
地址
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