NC 19-02-58-1989 Occupational Hygiene and Safety Standards System Cranes Safety Requirements for Chains Wires Pulleys and Chain Pinions《职业卫生和安全标准系统 起重机 链条的安全要求 线 轮带链系的小齿轮》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

JB 4002-1992 矿用隔爆型低压电器用接线端子.pdf

JB 4010-1985 汽轮发电机用钢制护环超声探伤方法.pdf

JB 4017-1985 家用电冰箱噪声测量方法及限值.pdf

JB 4029-1985 磨床砂轮防护罩安全防护技术要求.pdf

JB 4029-2000 磨床砂轮防护罩安全防护技术要求.pdf

JB 4059-1991 聚酯薄膜绝缘纸柔软复合材料.pdf

JB 4060-1991 聚酯薄膜聚酯纤维非织布柔软复合材料.pdf

JB 4129-1985 冲压件毛刺高度.pdf

JB 4160-1985 电工产品的热带自然环境条件.pdf