GB/T 12247-1989
蒸汽疏水阀 分类
Automatic steam traps--Classification
- 实施日期
- 1990-12-01
- ICS 分类
- 23.060
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 12247-1989
Automatic steam traps--Classification
GB/T 12223-1989
Part-turn valve actuator attachment
GB/T 12220-1989
General purpose industrial valves--Marking
GB/T 12250-1989
Automatic steam traps—Face-to-face dimensions
GB/T 12222-1989
Multi-turn valve actuator attachment
GB/T 12221-1989
Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
GB/T 12128-1989
Reference sources for the calibration of surface contamination monitors--Beta-emitters and alpha-emitters
GB/T 12057-1989
General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange
GB/T 12129-1989
Characteristics and test methods for time-to-amplitude converters
GB/T 12052-1989
Korean character coded character set for information interchange
GB/T 12050-1989
Information processing--Uighur coded graphic character sets for information interchange
GB/T 12118-1989
Data processing--Vocabulary--Part 21:lnterfaces between process computer systems and technical processes
GB/T 12055-1989
Information processing--Magnetic tape cassette and cartridge labelling and file structurefor information interchange
GB/T 12054-1989
Data processing--Procedure for registration of escape sequences
GB/T 12053-1989
Alphanumeric character sets for optical recognition--Part 1:Character set OCR-A--Shapes and dimensions of the printed image
GB/T 12036-1989
32×32 Dot matrix Heiti font set and data set of Chinese ideograms for information interchange
GB/T 12035-1989
32×32 Dot matrix Kaiti font set and data set of Chinese ideograms for information interchange
GB/T 12034-1989
32×32 Dot matrix Fangsongti font set and data set of Chinese ideograms for information interchange
GB/T 12038-1989
36×36 Dot matrix Fangsongti font set and data set of Chinese ideograms for information interchange
GB/T 12039-1989
36×36 Dot matrix Kaiti font set and data set of Chinese ideograms for information interchange