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发明名称
Relay system
摘要
申请公布号
US2178479(A)
申请公布日期
1939.10.31
申请号
US19360114715
申请日期
1936.12.07
申请人
WESTON ELECTRICAL INSTRUMENT CORPORATION
发明人
LAMB ANTHONY H.
分类号
G08B23/00
主分类号
G08B23/00
代理机构
代理人
主权项
地址
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