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发明名称
Electric temperature and burglar alarm system
摘要
申请公布号
US2060215(A)
申请公布日期
1936.11.10
申请号
US19310535191
申请日期
1931.05.05
申请人
AMERICAN DISTRICT TELEGRAPH COMPANY
发明人
HOPKINS RICHARD M.;LAFORD HERBERT M.
分类号
G08B19/00
主分类号
G08B19/00
代理机构
代理人
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