Предохранительно-запорный клапан и клапанный затвор,申请号RU20020118060U-传众专利搜索

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发明名称	Предохранительно-запорный клапан и клапанный затвор
摘要
申请公布号	RU28522(U1)	申请公布日期	2003.03.27
申请号	RU20020118060U	申请日期	2002.07.10
申请人	Путивлев Леонид Иванович	发明人	Путивлев Л.И.
分类号	F16K17/00;(IPC1-7):F16K17/00	主分类号	F16K17/00
代理机构		代理人
主权项
地址

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