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发明名称
Phase modulating system
摘要
申请公布号
US2289564(A)
申请公布日期
1942.07.14
申请号
US19410419059
申请日期
1941.11.14
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WRATHALL LEISHMAN R.
分类号
H03C3/18
主分类号
H03C3/18
代理机构
代理人
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地址
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