Sprinkler head or nozzle for filter beds,申请号US19280264338-传众专利搜索

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发明名称	Sprinkler head or nozzle for filter beds
摘要
申请公布号	US1814112(A)	申请公布日期	1931.07.14
申请号	US19280264338	申请日期	1928.03.24
申请人	PACIFIC FLUSH TANK COMPANY	发明人	BEDDOES HUBERT
分类号	C02F3/04	主分类号	C02F3/04
代理机构		代理人
主权项
地址

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