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GB/T 13849.3-1993
聚烯烃绝缘聚烯烃护套市内通信电缆 第3部分:铜芯、实心或泡沫（带皮泡沫）聚烯烃绝缘、填充式、挡潮层聚乙烯护套市内通信电缆
Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 3:Filled,moisture barrier polyethylene sheathed local telecommunication cables with copper conductors and solid or cellular polyolefin insulation
GB/T 15013-1994
Magnetic characters and magnetic valuesterms definitions for procision alloys
GB/T 13905-1992
Water quality--Determination ofTNT--Sodium sulfite spectrophotometry
GB/T 13849.4-1993
聚烯烃绝缘聚烯烃护套市内通信电缆 第4部分:铜芯、实心聚烯烃绝缘（非填充）自承式、挡潮层聚乙烯护套市内通信电缆
Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 4:Unfilled,moisture barrier polyethylene sheathed local telecommunication cables with copper conductors,solid polyolefin insulation and integral suspension strand
GB/T 14668-1993
Air quality--Determination of ammonia--Nessler’s reagent colorimetric method
GB/T 13898-1992
Water quality--Determination of ferro and ferric cyanic complex--Atom absorption spectrophotometry