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发明名称
Means for adjusting vibrating systems
摘要
申请公布号
US2183655(A)
申请公布日期
1939.12.19
申请号
US19360078360
申请日期
1936.05.07
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MORTON EDMUND R.
分类号
G04D7/12
主分类号
G04D7/12
代理机构
代理人
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