Combination closet tank cover and ventilator,申请号US19370124636-传众专利搜索

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发明名称	Combination closet tank cover and ventilator
摘要
申请公布号	US2105794(A)	申请公布日期	1938.01.18
申请号	US19370124636	申请日期	1937.02.08
申请人	NORRIS CHARLES C	发明人	NORRIS CHARLES C.
分类号	E03D9/052	主分类号	E03D9/052
代理机构		代理人
主权项
地址

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