Improvements in hydraulic tracing valve units,申请号GB19540025772-传众专利搜索

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发明名称	Improvements in hydraulic tracing valve units
摘要
申请公布号	GB813041(A)	申请公布日期	1959.05.06
申请号	GB19540025772	申请日期	1954.09.06
申请人	HAYES ENGINEERS (LEEDS) LIMITED	发明人	HAYES GEORGE
分类号	B23Q35/36	主分类号	B23Q35/36
代理机构		代理人
主权项
地址

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