SEALING OF A BALL VALVE,申请号PL19890281079-传众专利搜索

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发明名称	SEALING OF A BALL VALVE
摘要
申请公布号	PL281079(A1)	申请公布日期	1991.02.25
申请号	PL19890281079	申请日期	1989.08.16
申请人	POLITECHNIKA SZCZECINSKA;STOCZNIA SZCZECINSKA	发明人	CIESLEWICZ RYSZARD;JACYNO CZESLAW;GAJ MAREK
分类号	F16K5/06;F16K11/087;(IPC1-7):F16K5/06	主分类号	F16K5/06
代理机构		代理人
主权项
地址

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