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发明名称
Electro-optical system
摘要
申请公布号
US2168049(A)
申请公布日期
1939.08.01
申请号
US19360117523
申请日期
1936.12.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SKELLETT ALBERT M.
分类号
G08C21/00
主分类号
G08C21/00
代理机构
代理人
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地址
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