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BSEN1092-1-2007Flangesandtheirjoints–CircularflangesforpipesvalvesfittingsandaccessoriesPNdesignated–Part1Steelflanges

BSEN1092-1-2007Flangesandtheirjoints–CircularflangesforpipesvalvesfittingsandaccessoriesPNdesignated–Part1Steelflanges

BS6364-1984低温阀门Specificationforvalvesforcryogenicservice

BS6364-1984低温阀门Specificationforvalvesforcryogenicservice

BS5157-1989Steelgate(parallelslide)valves

BS5157-1989Steelgate(parallelslide)valves

BS2080-1989Specificationforface-to-facecentre-to-faceend-to-endandcentre-to-enddimensionsofvalves

BS2080-1989Specificationforface-to-facecentre-to-faceend-to-endandcentre-to-enddimensionsofvalves

ASMEB16.10-2009Face-to-FaceandEnd-to-EndDimensionsofvalves

ASMEB16.10-2009Face-to-FaceandEnd-to-EndDimensionsofvalves

ASMEA112.4.1-1993(R2002)WaterHeaterReliefvalveDrainTubes

ASMEA112.4.1-1993(R2002)WaterHeaterReliefvalveDrainTubes

AS1357.2-2009valvesPrimarilyforuseinHeatedWaterSystems–Part2Controlvalves

AS1357.2-2009valvesPrimarilyforuseinHeatedWaterSystems–Part2Controlvalves

AS1357.1-2009valvesprimarilyforuseinheatedwatersystems–Part1Protectionvalves

AS1357.1-2009valvesprimarilyforuseinheatedwatersystems–Part1Protectionvalves

ANSIB16.41-1983FunctionalQualificationRequirementsforPowerOperatedActivevalveAssembliesforNuclearPowerPlants

ANSIB16.41-1983FunctionalQualificationRequirementsforPowerOperatedActivevalveAssembliesforNuclearPowerPlants

vaV空调定变风量系统特点分类及工作原理培训PPT讲义-78页

vaV空调定变风量系统特点分类及工作原理培训PPT讲义-78页

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