JUS B M2 215-1979 Support of mine openings Yielding roadways arch type A with belt convever《矿山支护 可缩性巷道拱形支架，A型，有输送机》.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

CNS 3993-1981 Method of Test for High Voltage Alternating Current Starters《高压交流起动器检验法》.pdf

CNS 3994-1985 High Voltage Combination Starters《高压综合型起动盘》.pdf

CNS 3995-1985 Method of Test for High Voltage Combination Starters《高压综合型起动盘检验法》.pdf

CNS 3996-1994 Finished Color of Switch Boards and Mounted Apparatus《配电盘及盘装器具之颜色》.pdf

CNS 3997-1989 Method of Test for Transistors《晶体管检验法》.pdf

CNS 3998-1989 Method of Test for Small Signal Diodes《小信号用二极管检验法》.pdf

CNS 4000-1994 Stainless Steel Castings《不锈钢铸钢件》.pdf

CNS 4002-1994 Heat Resisting Steel Castings《耐热钢铸钢件》.pdf

CNS 4004-2003 Resulphurized free cutting carbon steels《硫及硫复合易切削碳钢钢料》.pdf