Improvements in hydraulic valves,申请号GB19410000794-传众专利搜索

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发明名称	Improvements in hydraulic valves
摘要
申请公布号	GB546635(A)	申请公布日期	1942.07.22
申请号	GB19410000794	申请日期	1941.01.21
申请人	LESLIE JOHN BEERS	发明人
分类号	B60T11/32	主分类号	B60T11/32
代理机构		代理人
主权项
地址

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