Coupling for suction cleaners,申请号US19440532150-传众专利搜索

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发明名称	Coupling for suction cleaners
摘要
申请公布号	US2420866(A)	申请公布日期	1947.05.20
申请号	US19440532150	申请日期	1944.04.21
申请人	EUREKA WILLIAMS CORPORATION	发明人	COSS GEORGE R.
分类号	A47L9/24;F16L37/098	主分类号	A47L9/24
代理机构		代理人
主权项
地址

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