Ventilation conduit for toilets,申请号US06/217848-传众专利搜索

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发明名称	Ventilation conduit for toilets
摘要
申请公布号	USD269117(S1)	申请公布日期	1983.05.24
申请号	US06/217848	申请日期	1980.12.18
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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