Brake testing device,申请号US19300426276-传众专利搜索

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发明名称	Brake testing device
摘要
申请公布号	US1950583(A)	申请公布日期	1934.03.13
申请号	US19300426276	申请日期	1930.02.06
申请人	WATKINS ROBERT B	发明人	WATKINS ROBERT B.
分类号	G01L5/28	主分类号	G01L5/28
代理机构		代理人
主权项
地址

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