AUTOMATIC VALVE CHANGE-OVER APPARATUS,申请号CAD641799-传众专利搜索

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发明名称	AUTOMATIC VALVE CHANGE-OVER APPARATUS
摘要
申请公布号	CA641799(A)	申请公布日期	1962.05.29
申请号	CAD641799	申请日期
申请人	CHEMETRON CORPORATION	发明人	FRANCIS J. EICHELMAN;LAUREL A. MOREHEAD
分类号		主分类号
代理机构		代理人
主权项
地址

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