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发明名称
Control knob
摘要
申请公布号
US2082091(A)
申请公布日期
1937.06.01
申请号
US19350023260
申请日期
1935.05.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. WILLIAM J. ADAMS,
分类号
G05G1/12
主分类号
G05G1/12
代理机构
代理人
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地址
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