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GB/T 4270-1999 Active National standards

GB/T 4270-1999 Graphical symbols and letter codes for thermal engineering in the technical documentation

GB/T 4270-1999 Graphical symbols and letter codes for thermal engineering in the technical documentation

Publish Date: 1999-11-23 Implement Date: 2000-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4270-1999
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Baseline standards and general methods
ICS Name: Graphic symbols for specific devices
Publish Date: 1999-11-23
Implement Date: 2000-05-01
Pages: 32 pages

Development Information

Word Count: 57 Thousand words Pages: 32 pages

Replace the following standards

GB 4270-1984

Referenced Standards

GB/T 2625-1981 Process detection and control flow chart—Symbols and lettedes GB/T 4299-1984 Symbols for ships' ventilation system GB/T 6567.2-1986 Graphical symbols for piping systems—Piping GB/T 6567.4-1986 Graphical symbols for piping systems—Valves and control regulation actuators GB/T 3102.1-1993 Quantities and units—Space and time GB/T 3102.2-1993 Quantities and units—Periodic and related phenomena GB/T 3102.3-1993 Quantities and units—Mechanics GB/T 3102.4-1993 Quantities and units—Heat GB/T 3102.5-1993 Quantities and units—Electricity and magnetism GB/T 3102.6-1993 Quantities and units—Light and related electromagnetic radiations GB/T 3102.7-1993 Quantities and units—Acoustics GB/T 3102.8-1993 Quantities and units—Physical chemistry and molecular physics GB/T 3102.12-1993 Characteristic numbers GB/T 15565-1995 Graphical symbol—Terms GB/T 17050-1997 Thermal radiation terms HG/T 20505-1992

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