Improvements in or relating to valve assembly,申请号GB19530002429-传众专利搜索

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发明名称	Improvements in or relating to valve assembly
摘要
申请公布号	GB719049(A)	申请公布日期	1954.11.24
申请号	GB19530002429	申请日期	1953.01.28
申请人	STANDARD-THOMSON CORPORATION	发明人
分类号	G05D23/12	主分类号	G05D23/12
代理机构		代理人
主权项
地址

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