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发明名称
Electric volume control
摘要
申请公布号
US2465213(A)
申请公布日期
1949.03.22
申请号
US19450604206
申请日期
1945.07.10
申请人
STACKPOLE CARBON COMPANY
发明人
DRESSEL HENRY M.
分类号
H01C10/32
主分类号
H01C10/32
代理机构
代理人
主权项
地址
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