无公害湖羊饲养的技术要点有哪些

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1、BSEN10208-2-2009可燃流体用钢管.技术交付条件.B级管要求BSEN10208-2:2009ICS23.040.10NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDSteelpipesforpipelinesforcombustiblefluids—TechnicaldeliveryconditionsPart2:PipesofrequirementclassBThisBritishStan

2、dardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30April2009.??BSI2009ISBN9780580<63200<6Amendments/corrigendaissuedsincepublicationDateCommentsBSEN10208-2:2009NationalforewordThisBritishStandardistheUKimplementationof.Itsuperse

3、desBSEN10208-2:1997whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/17/2,Transmissionpipelines.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoinclude

4、allthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.EN10208-2:2009BSEN10208-2:2009BSEN10208-2:2009EUROPEANSTANDARDNORMEEUROP??ENNEEUROP??ISCHENORMEN10208-

5、2March2009ICS23.040.10SupersedesEN10208-2:199<6EnglishVersionSteelpipesforpipelinesforcombustiblefluids-Technicaldeliveryconditions-Part2:PipesofrequirementclassBTubesenacierpourconduitesdefluidescombustibles-Conditionstechniquesdelivraison-Partie2:Tubes

6、delaclassedepréscriptionBStahlrohrefürRohrleitungenfürbrennbareMedien-TechnischeLieferbedingungen-Teil2:RohrederAnforderungsklasseBThisEuropeanStandardwasapprovedbyCENon25January2009.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichsti

7、pulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStan

8、dardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversio