Dispenser having step-by-step rotating valve with means to prevent reverse rotation thereof,申请号US19460657207-传众专利搜索

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发明名称	Dispenser having step-by-step rotating valve with means to prevent reverse rotation thereof
摘要
申请公布号	US2472688(A)	申请公布日期	1949.06.07
申请号	US19460657207	申请日期	1946.03.26
申请人	WYDRA FRANK K	发明人	WYDRA FRANK K.
分类号	A47J47/08	主分类号	A47J47/08
代理机构		代理人
主权项
地址

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