SAFETY VALVE DEVICE,申请号CAD503008-传众专利搜索

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发明名称	SAFETY VALVE DEVICE
摘要
申请公布号	CA503008(A)	申请公布日期	1954.05.25
申请号	CAD503008	申请日期
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人	HARRY C. MAY
分类号		主分类号
代理机构		代理人
主权项
地址

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