Odor-trap draining device,申请号US19380201943-传众专利搜索

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发明名称	Odor-trap draining device
摘要
申请公布号	US2136945(A)	申请公布日期	1938.11.15
申请号	US19380201943	申请日期	1938.04.14
申请人	FELIX KLEIN	发明人	KLEIN FELIX
分类号	E03F5/04	主分类号	E03F5/04
代理机构		代理人
主权项
地址

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