A butterfly valve,申请号GB19870020907-传众专利搜索

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法人/股东/高管

发明名称	A butterfly valve
摘要
申请公布号	GB2209580(A)	申请公布日期	1989.05.17
申请号	GB19870020907	申请日期	1987.09.05
申请人	* HATTERSLEY HEATON LIMITED	发明人	DAVID COLSTON * BEAUCHAMP
分类号	F16K1/22	主分类号	F16K1/22
代理机构		代理人
主权项
地址

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