JT/T 757-2009 Flow table for determine cement mortar fluidity.1范围JT/T 757规定了水泥胶砂...

行业标准2023.07.19

JT/T 755-2009 Air entrainment meter of freshly mixed concrete by the volumetric...

行业标准2023.07.19

JT/T 758-2009 Apparatus of abrasion resistance for cement mortar and concrete.1范...

行业标准2023.07.19

JT/T 759-2009 Specification for acceptance of the marine aids to navigation effi...

行业标准2023.07.19

JT/T 761-2009 General specification for aids to navigation lights.1范围JT/T 761规定了...

行业标准2023.07.19

JT/T 762-2009 Measurer for flexibility of retrorenective sheeting.1范围JT/T 762规定了...

行业标准2023.07.19

JT/T 763-2009 Pendulum friction tester.1范團JT/T 763规定了摆式摩擦系数测定仪(简称摆式仪)的结构形式、技术要求、...

行业标准2023.07.19

JT/T 764-2009 Accelerated polishing machine.1范围JT/T 764规定了加速磨光机的结构形式、技术要求、试验方法、检...

行业标准2023.07.19

JT/T 765.1-2009 Developing standard for digital hydrographic chart of the Changj...

行业标准2023.07.19

JT/T 767-2009 Data exchange protocols for shipborne monitoring :quipment of Beid...

行业标准2023.07.19