Smoker's mouthpiece,申请号US19490088605-传众专利搜索

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发明名称	Smoker's mouthpiece
摘要
申请公布号	US2598059(A)	申请公布日期	1952.05.27
申请号	US19490088605	申请日期	1949.04.20
申请人	JOHNSON GEORGE L	发明人	JOHNSON GEORGE L.
分类号	A24F7/00	主分类号	A24F7/00
代理机构		代理人
主权项
地址

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