Flush valve and valve outlet,申请号US19540406931-传众专利搜索

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发明名称	Flush valve and valve outlet
摘要
申请公布号	US2744258(A)	申请公布日期	1956.05.08
申请号	US19540406931	申请日期	1954.01.29
申请人	HARKNESS ANDREW W	发明人	HARKNESS ANDREW W.
分类号	E03D1/34	主分类号	E03D1/34
代理机构		代理人
主权项
地址

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