JUS K M6 025-1991 Velding and allied procssses Pressure regulators for gas cylinders used in velding cutting and allied processes《焊接及相关工艺 焊接、切割及相关工艺用气瓶调压器》.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

SY 5411-1991 固井施工设计格式.pdf

SY 5423-1991 SKC3700数控测井仪.pdf

SY 5430-1992 地层破裂压力测定套管鞋试漏法.pdf

SY 5436-1998 石油射孔和井壁取心用爆炸物品储存、运输和使用的安全规定.pdf

SY 5436-2008 石油射孔、井壁取心民用爆炸物品安全规程.pdf

SY 5442-1992 链条抽油机.pdf

SY 5444-1992 钻井液用评价土.pdf

SY 5445-1999 石油机械制造企业安全生产规定.pdf

SY 5445-2010 石油机械制造企业安全生产规范.pdf