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发明名称
Volume control switch and the like
摘要
申请公布号
US2498569(A)
申请公布日期
1950.02.21
申请号
US19480062179
申请日期
1948.11.26
申请人
THE BALDWIN COMPANY
发明人
MORK RAYMOND P.
分类号
G10H1/34
主分类号
G10H1/34
代理机构
代理人
主权项
地址
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