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发明名称
Improvements in or relating to valve control mechanism
摘要
申请公布号
GB327738(A)
申请公布日期
1930.04.07
申请号
GB19300008239
申请日期
1929.01.05
申请人
ERNEST STUART RUSSELL
发明人
分类号
D06F33/08
主分类号
D06F33/08
代理机构
代理人
主权项
地址
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