This European Standard gives the definition of PN when applied to components of a pipework system, as specified in those standards which use the PN designation system.This standard specifies the PN numbers which are used.
Copyright ?2007-2022 ANTPEDIA, All Rights Reserved
京ICP備07018254號 京公網安備1101085018 電信與信息服務業務經營許可證:京ICP證110310號