STAS 2550-1990 Cast iron industrial valves Gate valves np 2 5 np 4 np 6 np 10 np 16 Main dimensions《铸铁工业阀门 闸阀NP2.5、NP 4、NP 6、NP 10、NP16 主要尺寸》.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

2012-2013学年辽宁朝阳柳城高级中学高一上学期期末考试地理试卷与答案（带解析）.doc

2012-2013学年辽宁瓦房店高级中学高二上学期期中考试地理试卷与答案（带解析）.doc

2012-2013学年辽宁朝阳柳城高中高三上学期第二次月考地理试卷与答案（带解析）.doc

2012-2013学年辽宁朝阳柳城高中高一下学期期中考试生物试卷与答案（带解析）.doc

2012-2013学年辽宁盘锦第二高级中学高一第二次阶段考试生物卷（带解析）.doc

2012-2013学年辽宁盘锦二中高二上学期第一次阶段考试地理试卷与答案（带解析）.doc

2012-2013学年辽宁朝阳柳城高级中学高二上学期期末考试地理试卷与答案（带解析）.doc

2012-2013学年辽宁盘锦第二高级中学高二第二次阶段考试生物试卷与答案（带解析）.doc

2012-2013学年辽宁本溪一中高一上学期第一次月考地理试卷与答案（带解析）.doc