GB 12342-1990
1∶25000、1∶50000、1∶100000地形图图式
Specifications for cartographic symbols 1∶25000,1∶50000,1∶100000 topographic maps
- 实施日期
- 1990-12-01
- ICS 分类
- 07.040
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。
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GB 12342-1990
Specifications for cartographic symbols 1∶25000,1∶50000,1∶100000 topographic maps
GB 12341-1990
1∶25000,1∶50000 and 1∶100000 topographic maps--Specifications for aerophotogrammetric field work
GB/T 12345-1990
Code of Chinese ideogram set for information interchange--Supplementary set
GB/T 12356-1990
Micrographics--Test object character and instruction for 16mm microfilm recorder
GB 12348-1990
Standard of noise at boundary of industrial enterprises
GB 12349-1990
Method of measuring noise at boundary of industrial enterprises
GB/T 4333.10-1990
Methods for chemical analysis of ferrosilicon--The infrared absorption method for the determination of carbon content
GB/T 12333-1990
Metallic coatings--Electroplated coatings of copper for engineering purposes
GB/T 12331-1990
Classified standard of operation with exposure to toxic chemicals in the workplace
GB/T 12309-1990
Industry corn starch
GB/T 12322-1990
Methods of reliability testing for universal CCTV systems
GB/T 12328-1990
Legend and color standard for comprehensive engineering geological map
GB/T 12329-1990
Karst geology terminology
GB/T 12316-1990
Sensory analysis--Methodology--“A”-“not A”test
GB/T 12314-1990
Sensory analysis method--Guide lines for the preparation of samples for which direct sensory analysis is not feasible
GB/T 12313-1990
Sensory analysis method--Flavour profile test
GB/T 12281-1990
Requirements for the interconnections and matching of color television broadcast receivers and other equipment
GB/T 10593.3-1990
Methods of measuring environmental parameters for electric and electronic products--Treatment andinduction for the vibration data
GB 12279-1990
General technical specification of cardiac valve prostheses
GB/T 12374-1990
Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column--Spectrophotometry of N-(1-naphthyl) ethylene diaminehydrochloride