发明名称 PERFEZIONAMENTO AI MISURATORI PER DISTRIBUTORI DI GAS DI PETROLIO LIQUEFATTO.
摘要 Piston for displacer meter for liquefied petroleum gas pumps which has a plurality of hollow cup-shaped seals of fluorocarbon resin, which are arranged with paired opposing hollow sides along the cylindrical outer flank of the piston, in the vicinity of its blind flank.
申请公布号 IT8323774(D0) 申请公布日期 1983.11.18
申请号 IT19830023774 申请日期 1983.11.18
申请人 NUOVOPIGNONE S.P.A. 发明人 GIORGIO SUETTA;LUCIANO DELL'OMO
分类号 F17C13/02;G01F3/18;G01F11/02;(IPC1-7):G01F/ 主分类号 F17C13/02
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