Barrier for motor vehicle parking systems,申请号US19490090132-传众专利搜索

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发明名称	Barrier for motor vehicle parking systems
摘要
申请公布号	US2637920(A)	申请公布日期	1953.05.12
申请号	US19490090132	申请日期	1949.04.28
申请人	RICHARD H. HALLSTED	发明人	STRATTON ROBERT M.
分类号	E01F13/10	主分类号	E01F13/10
代理机构		代理人
主权项
地址

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