IMPROVEMENTS IN AND RELATING TO BUTTERFLY VALVES,申请号GB19880000619-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO BUTTERFLY VALVES
摘要
申请公布号	GB2206398(B)	申请公布日期	1991.05.29
申请号	GB19880000619	申请日期	1988.01.12
申请人	AKIRA * OSHIMA	发明人	AKIRA * OSHIMA
分类号	F16K1/226	主分类号	F16K1/226
代理机构		代理人
主权项
地址

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