ONORM EN 713-1994 Plastics piping systems Mechanical joints between fittings and polyolefin pressure pipes Test method for leaktightness under internal pressure of assemblies subje.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

GOST 22782 7-1981 Explosionproof electrical apparatus Type of protection e Technical requirements and methods of testing《《e级》防爆电气设备 技术要求和试验方法》.pdf

GOST 22783-1977 Concretes Method of accelerated determination of compressive strength《混凝土 挤压强度快速测定法》.pdf

GOST 22786-1977 Bimetalic seamless tubes for shipbuilding Specifications《造船用双金属无缝钢管 技术条件》.pdf

GOST 22788-1977 Electric heaters for baby feed Specifications《儿童食品电热器 技术条件》.pdf

GOST 22791-1983 Assembly units and pipeline parts Dead lenses with indicator for Pnom 9 81-98 1 MPa (100-1000 kgf sm sq) Construction and dimensions《管道装配单位及零件 Py 10至100MPa菱形盲板( 100.pdf

GOST 22792-1983 Assembly units and pipeline parts Unions for Pnom 9 81-98 1 MPa (100-1000 kgf sm sq) Construction and dimensions《管道装配单位及零件 Py 10至100MPa( 100至1000kgf cm⒉)管接头 结构及尺寸》.pdf

GOST 22793-1983 Assemply units and pipeline parts Bend arms for Pnom 9 81-98 1 MPa (100-1000 kgf sm sq) Construction and dimensions《管道装配单位及零件 Py 10至100MPa( 100至1000kgf cm⒉)带法兰弯管 结构.pdf

GOST 22794-1983 Assembly units and pipeline parts Flanged elbow bends for Pnom 9 81-98 1 MPa (100-1000 kgf sm sq) Construction and dimensions《管道装配单位及零件 Py 10至100MPa( 100至1000kgf cm.pdf

GOST 22795-1983 Assembly units and pipeline parts Abutment and flanged elbow bends for Pnom 9 81-98 1 MPa (100-1000 kgf sm sq) Construction and dimensions《管道装配单位及零件 Py 10至100MPa( 1.pdf