Improvements in or relating to valve seatings,申请号GB19540002744-传众专利搜索

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发明名称	Improvements in or relating to valve seatings
摘要
申请公布号	GB782977(A)	申请公布日期	1957.09.18
申请号	GB19540002744	申请日期	1954.01.29
申请人	EDWARD MOEY SCHAVERIEN	发明人
分类号	F16K31/26	主分类号	F16K31/26
代理机构		代理人
主权项
地址

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