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发明名称
Pressure responsive volume control for electrical instruments
摘要
申请公布号
US3318991(A)
申请公布日期
1967.05.09
申请号
US19640349927
申请日期
1964.03.06
申请人
COOKERLY JACK C;HALL GEORGE R
发明人
COOKERLY JACK C.;HALL GEORGE R.
分类号
G10H1/46
主分类号
G10H1/46
代理机构
代理人
主权项
地址
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