GB/T 44663-2024
绝缘液体 电气用未使用过的改性或混合酯
Insulating liquids—Unused modified or blended esters for electrotechnical applications
- 实施日期
- 2025-04-01
- ICS 分类
- 29.040.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 44663-2024
Insulating liquids—Unused modified or blended esters for electrotechnical applications
GB/T 44623-2024
Radiation protection instrumentation—System of spectral identification of liquids in transparent and semitransparent containers (Raman systems)
GB/T 44509-2024
Welding procedure qualification test for spot,seam and projection welding
GB/T 44694-2024
Guidelines for security assessment of mass sports events
GB/T 44550-2024
Test method for endurance performance of pneumatic tyres for industrial vehicles
GB/T 44520-2024
Forging dies—Quick change die sets with X-rail guide
GB/T 44523-2024
Continuous mechanical handling equipment—General principles for safety signs and hazard pictorials
GB/T 44529-2024
Micro-electromechanical systems(MEMS)technology—Radio frequency MEMS circulators and isolators
GB/T 44517-2024
Micro-electromechanical systems (MEMS) technology—Wafer curvature and cantilever beam deflection test methods for determining residual stresses of MEMS films
GB/T 44513-2024
Micro-electromechanical systems (MEMS) technology—Environmental test methods of MEMS piezoelectric thin films for sensor application
GB/T 44521-2024
Scraper conveyors—Safety specifications
GB/T 44514-2024
Micro-electromechanical systems (MEMS) technology—Four-point bending test method for interfacial adhesion energy of layered MEMS materials
GB/T 44515-2024
Micro-electromechanical systems (MEMS) technology—Measurement methods of electro-mechanical conversion characteristics of MEMS piezoelectric thin film
GB/T 44531-2024
Micro-electromechanical systems(MEMS)technology—Technical specification of automotive grade pressure sensor based on MEMS technology
GB/T 44518-2024
Welding procedure qualification test for underwater hyperbaric dry welding
GB/T 44527-2024
Qualification testing of diver-welders and welding operators for underwater hyperbaric dry welding
GB/T 44540-2024
Fine ceramics—Test method for determining elastic modulus and bending strength of ceramic tube and rings—Split ring method
GB/T 44581-2024
Automatic floor treatment machines for commercial use—Particular requirements
GB/T 44494-2024
Household and similar refrigerating appliances—Food preservation
GB/T 44647-2024
Determination of heavy water isotopic purity—Fourier transform infrared spectroscopy