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经营范围
发明名称
Clearance valve assembly
摘要
申请公布号
US2506162(A)
申请公布日期
1950.05.02
申请号
US19460690351
申请日期
1946.08.14
申请人
INGERSOLL-RAND COMPANY
发明人
METZGAR CHESTER W.
分类号
F04B49/16
主分类号
F04B49/16
代理机构
代理人
主权项
地址
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