Sighting means for suction cleaners,申请号US19360099303-传众专利搜索

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发明名称	Sighting means for suction cleaners
摘要
申请公布号	US2208523(A)	申请公布日期	1940.07.16
申请号	US19360099303	申请日期	1936.09.03
申请人	LENSLITE CO. INC.	发明人	CULLMAN PHILIPP A.
分类号	A47L9/30	主分类号	A47L9/30
代理机构		代理人
主权项
地址

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