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发明名称
Projection knob for tv channel selection
摘要
申请公布号
US2768603(A)
申请公布日期
1956.10.30
申请号
US19540452406
申请日期
1954.08.26
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
FISHER JAMES A.
分类号
G05G1/08
主分类号
G05G1/08
代理机构
代理人
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地址
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