专利 一种带舞台灯的音响
ISO 7439 2023 Copper-bearing contraceptive intrauterine devices — Requirements.pdf
ISO 8178-4 2020 Reciprocating internal combustion engines — Exhaust emission measurement — Part 4 Steady-state and transient test cycles for different engine applications.pdf
ISO 1388-12 1981 Ethanol for industrial use — Methods of test — Part 12 Determination of p.pdf
ISO 20155 2017 Ships and marine technology Test method of flow induced in-pipe noise source characteristics for a ship-used pump.pdf
ISO 17828 2015 Solid biofuels — Determination of bulk density.pdf
ISO 9328-6 2018 Steel flat products for pressure purposes — Technical delivery conditions — Part 6 Weldable fine grain steels, quenched and tempered.pdf
ISO IEC 10561 1999 Information technology — Office equipment — Printing devices — Method for measuring throughput — Class 1 and Class 2 printers.pdf
ISO-IEC GUIDE 77-3 2008 Guide for specification of product properties and classes -- Part 3 Experience gained.pdf
ISO 20558-1 2018 Plastics Poly(phenylene sulfide) (PPS) moulding and extrusion materials Part 1 Designation system and basis for specifications.pdf
ISO 9866-2-1991Textiles. Effect of dry heat on fabrics under low pressure. Part 2_Determination of d.pdf
GB-T 2997-2015 致密定形耐火制品体积密度、显气孔率和真气孔率试验方法.pdf
GB-T 43527-2023 船舶电气设备 电磁兼容性 船舶电缆敷设优化 敷设间距的试验方法.pdf
GB-T 30912-2014 汽车液压盘式制动缸用橡胶密封件.pdf
GB 26511-2011 商用车前下部防护要求.pdf
GB-T 14454.11-2008 香料 含酚量的测定.pdf
GB-T 15134-1994 信息处理 信息交换用软磁盘文卷结构和标号.pdf
GB-Z 35728-2017 互联电力系统设计导则.pdf
GB-T 6183.2-2016 2型非金属嵌件六角法兰面锁紧螺母 细牙.pdf
GB-T 40236-2021 硼硅玻璃管道.pdf
GB-T 44649-2024 电动道路车辆用镍氢电池和模块 安全要求.pdf