42 GB/T 5661-1985 軸向吸入離心泵機械密封和軟填料用的空腔尺寸 End-suction centrifugal pumps--Dimensions of cavities for mechanical seals and for soft packing
43 GB/T 5662-1985 軸向吸入離心泵 (16 bar) 標記、性能和尺寸 End-suction centrifugalpumps (rating 16 bar)--Designation, nominal duty point and dimensions
44 GB/T 5773-1986 容積式制冷壓縮機性能試驗方法 The methods of performance test for positive displacement refrigerant compressors
45 GB 5842-1996 液化石油氣鋼瓶 Liquefied petroleum gas cylinders
46 GB/T 5905-1986 起重機試驗規范和程序 Cranes--Test code and procedures
47 GB/T 5973-1986 鋼絲繩用楔形接頭 Cuneiform conector for use with steel wire ropes
48 GB/T 5974.1-1986 鋼絲繩用普通套環 General purpose thimbles for use with steel wire ropes
49 GB/T 5974.2-1986 鋼絲繩用重型套環 Heavy thimbles for use wire steel wire ropes
50 GB/T 5975-1986 鋼絲繩用壓板 Clamping plates for fixing steel wire ropes
51 GB/T 5976-1986 鋼絲繩夾 Wire rope grips
52 GB/T 6067-1985 起重機械安全規程 Safety rules for lifting appliances
53 GB/T 6068.1-1985 汽車起重機和輪胎起重機試驗規范 一般要求 Test code for truck crane and mobile crane--General requirements
54 GB/T 6068.2-1985 汽車起重機和輪胎起重機試驗規范 合格試驗 Test code for truck crane and mobile crane--Conformity test
55 GB/T 6068.3-1985 汽車起重機和輪胎起重機試驗規范 穩定性的確定 Test code for truck crane and mobile crane--Determination of stability
56 GB/T 6068.4-1985 汽車起重機和輪胎起重機試驗規范 結構試驗 Test code for truck crane and mobile crane--Structure test
57 GB/T 6070-1995 真空法蘭 Vacuum flanges
58 GB/T 6071.1-1985 超高真空法蘭結構型式 Ultra-high vacuum flange--Types
59 GB/T 6071.2-1985 超高真空法蘭尺寸 Ultra-high vacuum flange--Dimensions
60 GB/T 6071.3-1985 超高真空法蘭用銅密封墊 Ultra-high vacuum flange--Copper seal gaskets
61 GB/T 6247-1986 鑿巖機械與氣動工具名詞術語 Terminology of rock drilling machines and pneumatic tools
62 GB/T 6374-1986 鑿巖機械與氣動工具尾柄和襯套配合尺寸 Shanks for rock drilling machines and pneumatic tools and fitting dimensions of chuck bushings