Fire extinguishing sprinkler system of dry-pipe type,申请号US19570677418-传众专利搜索

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发明名称	Fire extinguishing sprinkler system of dry-pipe type
摘要
申请公布号	US2865457(A)	申请公布日期	1958.12.23
申请号	US19570677418	申请日期	1957.08.08
申请人	JENSEN DALE M	发明人	JENSEN DALE M.
分类号	A62C35/60	主分类号	A62C35/60
代理机构		代理人
主权项
地址

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