GB/T 9642-1988
聚乙烯(PE)管材和管件 根据聚乙烯公称密度和熔体流动速率命名的方法
Polyethylene (PE) pipes and fittings--Designation of polyethylene based on nominal density and melt flow rate
- 实施日期
- 1989-02-01
- ICS 分类
- 23.040.20
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 70,494 条
GB/T 9642-1988
Polyethylene (PE) pipes and fittings--Designation of polyethylene based on nominal density and melt flow rate
GB/T 9648-1988
Code for international system of units
GB 9644-1988
Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of lead,tin,cadmium and mercury occurring as impurities--Test method and permitted levels
GB/T 9545-1988
Cotton spinning machinery--Working width
GB/T 9654-1988
Calculated methods of sorting capacity for railway marshalling station (3-stage/3-yard)
GB/T 9629-1988
Inductor and transformer cores for telecommunications--Part 4:Blank detail specification--Magnetic oxide cores for transformers and chokes for power applications--Assessment level A
GB/T 9627-1988
Inductor and transformer cores for telecommunications--Part 3:Blank detail specification--Magnetic oxide cores for broad-band transformers--Assessment levels A and B
GB/T 9626-1988
Inductor and transformer cores for telecommunications--Part 3:Sectional specification--Magnetic oxide cores for broad-band transformers
GB/T 9625-1988
Inductor and transformer cores for telecommunications--Part 2:Blank detail specification--Magnetic oxide cores for inductor applications--Assessment level A
GB/T 9624-1988
Inductor and transformer cores for telecommunications--Part 2:sectionalspecification--Magnetic oxide cores for inductor applications
GB/T 9623-1988
Inductor and transformer cores for telecommunications--Part 1:Generic specification
GB/T 9635-1988
Measuring methods for aerial rods
GB/T 9541-1988
2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits
GB/T 9636-1988
Aerial rods and slabs made of magnetic oxides
GB/T 9628-1988
Inductor and transformer cores for telecommunications--Part4:sectional specification--Magnetic oxide cores for transformers and chokes forpower applications
GB/T 9630-1988
Dimensions of pot-cores made of magnetic oxides and associated parts
GB/T 9653-1988
Series parameter for cotton press
GB/T 9602-1988
Measuring methods of electrical properties of continuous wave magnetrons
GB/T 9544-1988
Informationprocessing systems--Computer graphics--Graphical kernel system (GKS) functional description
GB/T 9543-1988
Programming languages PL/1 general purpose subset