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NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 23681-2009

Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols

Issued Date:

Implemented Date:

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 23681-2009
Standard Category	China National Standards
GB Standard English Title	Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols
GB Standard Chinese Title	制冷系统和热泵系统流程图和管路仪表图绘图与符号
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English Translation Fee	About $15~$30 per 1 page (1,000 words)
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