Suction apparatus for cleaning rooms,申请号US19490106265-传众专利搜索

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发明名称	Suction apparatus for cleaning rooms
摘要
申请公布号	US2609190(A)	申请公布日期	1952.09.02
申请号	US19490106265	申请日期	1949.07.22
申请人	WILLIAM L. HILDEBRAND;ROBERT G. WHITEHEAD	发明人	JACKSON HAROLD F.
分类号	A47L5/38	主分类号	A47L5/38
代理机构		代理人
主权项
地址

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