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发明名称
Valve operating mechanism for registers
摘要
申请公布号
US2509773(A)
申请公布日期
1950.05.30
申请号
US19460706860
申请日期
1946.10.31
申请人
AIR CONTROL PRODUCTS, INC.
发明人
LEIGH ROBERT L.
分类号
F24F13/14
主分类号
F24F13/14
代理机构
代理人
主权项
地址
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