Fire sprinkler alarm system,申请号US19570669815-传众专利搜索

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发明名称	Fire sprinkler alarm system
摘要
申请公布号	US2891625(A)	申请公布日期	1959.06.23
申请号	US19570669815	申请日期	1957.07.03
申请人	AMERICAN DISTRICT TELEGRAPH COMPANY	发明人	HUBE ARTHUR B.
分类号	A62C35/64	主分类号	A62C35/64
代理机构		代理人
主权项
地址

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