Dusting device,申请号US19390250657-传众专利搜索

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发明名称	Dusting device
摘要
申请公布号	US2200676(A)	申请公布日期	1940.05.14
申请号	US19390250657	申请日期	1939.01.12
申请人	GEORGE D. WHITEHURST	发明人	PERRY JUDSON A.
分类号	A01M9/00	主分类号	A01M9/00
代理机构		代理人
主权项
地址

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