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发明名称
Valve for pneumatic-displacement pumps
摘要
申请公布号
US1758921(A)
申请公布日期
1930.05.20
申请号
US19270224380
申请日期
1927.10.06
申请人
INGERSOLL-RAND COMPANY
发明人
BAYLES LEWIS C.
分类号
F04F1/04
主分类号
F04F1/04
代理机构
代理人
主权项
地址
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