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发明名称
Valve mechanism
摘要
申请公布号
US2307628(A)
申请公布日期
1943.01.05
申请号
US19410421274
申请日期
1941.12.02
申请人
LUDEMAN OSCAR H
发明人
LUDEMAN OSCAR H.
分类号
F01D17/14;G05D16/10
主分类号
F01D17/14
代理机构
代理人
主权项
地址
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