Trash pickup device,申请号US19490106289-传众专利搜索

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发明名称	Trash pickup device
摘要
申请公布号	US2564907(A)	申请公布日期	1951.08.21
申请号	US19490106289	申请日期	1949.07.22
申请人	KRUMMEL JR WILLIAM H	发明人	JR. WILLIAM H. KRUMMEL,
分类号	A47L13/52	主分类号	A47L13/52
代理机构		代理人
主权项
地址

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