Locking device for vacuum-cleaner handles,申请号US19270208378-传众专利搜索

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发明名称	Locking device for vacuum-cleaner handles
摘要
申请公布号	US1787696(A)	申请公布日期	1931.01.06
申请号	US19270208378	申请日期	1927.07.25
申请人	EUREKA VACUUM CLEANER COMPANY	发明人	MCLAREN ALEX C.
分类号	A47L9/32	主分类号	A47L9/32
代理机构		代理人
主权项
地址

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