GB/T 4270-1999 English PDF

US$979.00 · In stock
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GB/T 4270-1999: Graphical symbols and letter codes for thermal engineering in the technical documentation

GB/T 4270: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4270-1999	979	Add to Cart	5 days	Graphical symbols and letter codes for thermal engineering in the technical documentation
GB/T 4270-1984	RFQ	ASK	3 days	Graphical and letter symbols for thermal engineering	Obsolete

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Basic data

Standard ID: GB/T 4270-1999 (GB/T4270-1999)
Description (Translated English): Graphical symbols and letter codes for thermal engineering in the technical documentation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F04
Classification of International Standard: 01.080.20
Word Count Estimation: 28,299
Date of Issue: 11/23/1999
Date of Implementation: 5/1/2000
Older Standard (superseded by this standard): GB/T 4270-1984
Issuing agency(ies): State Quality and Technical Supervision
Summary: This standard specifies the technical documentation thermal graphic symbols and text code. This standard applies to workers involved in the field of technical documentation thermal design, research, production and other aspects of teaching.

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