Pneumatic sealing plug with expanding seal, obtained by the axial sliding of a piston to seal off pipes carrying gas at medium pressure,申请号IT1992SP00001-传众专利搜索

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发明名称	Pneumatic sealing plug with expanding seal, obtained by the axial sliding of a piston to seal off pipes carrying gas at medium pressure
摘要
申请公布号	IT1265748(B1)	申请公布日期	1996.12.02
申请号	IT1992SP00001	申请日期	1992.06.09
申请人	BARBIERI LUIGI;CHIOCCA ATHOS	发明人	BARBIERI LUIGI;CHIOCCA ATHOS
分类号	F16L	主分类号	F16L
代理机构		代理人
主权项
地址

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