AUTOMATIC HYDRAULIC CENTERING DEVICE,申请号USD3498475-传众专利搜索

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发明名称	AUTOMATIC HYDRAULIC CENTERING DEVICE
摘要
申请公布号	US3498475(A)	申请公布日期	1970.03.03
申请号	USD3498475	申请日期	1966.01.07
申请人	DRESSER IND. INC.	发明人	GEOFFREY W. COPE
分类号	B61G7/10;(IPC1-7):B61G9/02;B61G9/04;B61G9/06	主分类号	B61G7/10
代理机构		代理人
主权项
地址

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