OVER-TIGHTENING PREVENTING DEVICE FOR VALVE,申请号JP19880071578-传众专利搜索

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发明名称	OVER-TIGHTENING PREVENTING DEVICE FOR VALVE
摘要
申请公布号	JPH01242887(A)	申请公布日期	1989.09.27
申请号	JP19880071578	申请日期	1988.03.24
申请人	SEKISUI CHEM CO LTD	发明人	TAKEDA SHINJI
分类号	F16K31/50	主分类号	F16K31/50
代理机构		代理人
主权项
地址

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