17 GB/T 3215-1982 炼厂、化工及石油化工流程用离心泵通用技术条件 Centrifugal pumps for refinery, chemical and petrochemical processes--General technical specifications 中国机械专家网 www.expsky.com
18 GB/T 3216-1989 离心泵、混流泵、轴流泵和旋涡泵试验方法 Test methods for centrifugal, mixed flow, axial and regenerative pumps
19 GB/T 3235-1982 通风机基本型式、尺寸、参数及性能曲线 Basic types, sizes, parameters and characteristics of fans
20 GB/T 3264-1989 单张纸平版胶印机 技术条件 Specification for sheet-fed planographic offset press
21 GB/T 3811-1983 起重机设计规范 Design rules for cranes
22 GB/T 4307-1984 起重吊钩 名词术语 Lifting hooks--Nomenclature
23 GB/T 4652-1984 双臂式装载机 试验方法 Method for testing the gathering arm loaders
24 GB/T 4774-1984 离心机和过滤机 名词术语 Terminology of centrifuge and filter
25 GB/T 4975-1995 容积式压缩机术语 总则 Displacement compressors vocabulary--General 中国机械专家网 www.expsky.com
26 GB/T 4976-1985 压缩机分类 Compressors--Classification
27 GB/T 4980-1985 容积式压缩机噪声声功率级的测定--工程法 Determination of sound power level for noise emitted by displacement compressors--Engineering method
28 GB/T 4983-1985 拧紧型真空快卸法兰 Vacuum technology screwed type quick release flange
29 GB 5099-1994 钢质无缝气瓶 Seamless steel gas cylinders
30 GB 5100-1994 钢质焊接气瓶 Welded steel gas cylinders
31 GB/T 5140-1985 叉车 挂钩型货叉 术语 Fork lift trucks--Hook-on type fork arms--Vocabulary
32 GB/T 5141-1985 平衡重式叉车 稳定性 基本试验 Counter balanced lift trucks--Stability--Basic tests
33 GB/T 5142-1985 前移式和插腿式叉车 稳定性试验 Reach and straddle fork lift trucks--Stability tests 中国机械专家网