![透镜垫德国标准DEUTSCHE NORM August 1999[共8页]](https://www.peiji.com/assets/images/load.png)
4050DEUTSCHENORMAugust1999德国标准1999年八月LenticularringjointgasketsforflangedjointsFlangchverbindungenmitDichtlinseInkeepingwithcurrentpracticeinstandardspublishedbytheInternationalOrganizationforStandardization(ISO),acommahasbeenusedthroughoutasthedecimalmarker.为了与国际标准组织现行标准一致，逗号被用于作为十进制的标记。Foreword前言ThisstandardhasbeenpreparedbyTechnicalCommittee(PipesandPip...
