CSN 42 0621 Cast 43-1983 Chemical analysis of non-ferrous metals and alloys Copper Determination of silver by the photometric method《铜 光度法测定银》.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

ASTM A370-2016 Standard Test Methods and Definitions for Mechanical Testing of Steel Products《钢制品力学性能试验的标准试验方法和定义》.pdf

ASTM A370-2017 Standard Test Methods and Definitions for Mechanical Testing of Steel Products《钢制品力学性能试验的标准试验方法和定义》.pdf

ASTM A370-2017a Standard Test Methods and Definitions for Mechanical Testing of Steel Products《钢制品力学性能试验的标准试验方法和定义》.pdf

ASTM A372 A372M-2003 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels.pdf

ASTM A372 A372M-2003(2008) Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels《薄壁压力容器用碳素钢及合金钢锻件标准规范》.pdf

ASTM A372 A372M-2010 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels《薄壁压力容器用碳素钢及合金钢锻件标准规格》.pdf

ASTM A372 A372M-2012 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels《薄壁压力容器用碳素钢及合金钢锻件标准规格》.pdf

ASTM A372 A372M-2013 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels《薄壁压力容器用碳素钢及合金钢锻件标准规格》.pdf

ASTM A372 A372M-2015 Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels《薄壁压力容器用碳素钢和合金钢锻件的标准规格》.pdf