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1、INTERNATIONALISOSTANDARD14744-4Firstedition2000-04-15Welding—Acceptanceinspectionofelectronbeamweldingmachines—Part4:MeasurementofweldingspeedSoudage—Essaisderéceptiondesmachinesdesoudageparfaisceaud'électrons—Partie4:Mesuredelavitessedesoudage--`,,`,-`-`,
2、,`,,`,`,,`---ReferencenumberISO14744-4:2000(E)©ISO2000CopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISONoreproductionornetworkingpermittedwithoutlicensefromIHSNotforResaleISO14744-4:2000(E)PDFdisclaimerThisPDFfilemayconta
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7、copyrightofficeCasepostale56CH-1211Geneva20Tel.+41227490111Fax+41227341079E-mailcopyright@iso.chWebwww.iso.chPrintedinSwitzerlandCopyrightInternationalOrganizationforStandardizationii©ISO2000–AllrightsreservedProvidedbyIHSunderlicensewithISONoreproduction
8、ornetworkingpermittedwithoutlicensefromIHSNotforResale标准分享网www.bzfxw.com免费下载ISO14744-4:2000(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemb
