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ISO 7268/AMD1:1984
M00002145
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ISO 7268/AMD1:1984 Amendment 1 to ISO 7268:1983
Amendment by International Organization for Standardization, 07/01/1984
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The amendment refers to clause 2 'definition' and states: delete the text and substitute: nominal pressure (PN): A numerical designation which is a convenient round number for reference purposes. All equipent of the same nominal size (DN) designated by the same PN number shall have compatible mating dimensions. Gives additionally two notes.