Retarding device for sprinkler-system alarms,申请号US19270197294-传众专利搜索

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发明名称	Retarding device for sprinkler-system alarms
摘要
申请公布号	US1744683(A)	申请公布日期	1930.01.21
申请号	US19270197294	申请日期	1927.06.08
申请人	STAR SPRINKLER CORPORATION	发明人	GRIFFITH WILLIAM B.
分类号	G08B17/04	主分类号	G08B17/04
代理机构		代理人
主权项
地址

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