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发明名称
Valve
摘要
申请公布号
US2154880(A)
申请公布日期
1939.04.18
申请号
US19350056074
申请日期
1935.12.24
申请人
LANDERS, FRARY & CLARK
发明人
TWIGG ERNEST
分类号
F04C29/12
主分类号
F04C29/12
代理机构
代理人
主权项
地址
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