HG/T 20637.5-1998
Guid for preparation of engineering documents of instrumentation (English Version)
- Standard No.
- HG/T 20637.5-1998
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Status
- 2018-04
- Replace By
- HG/T 20637.5-2017
- Latest
- HG/T 20637.5-2017
- Scope
- 1.0.1 The instrument purchase requisition (REQUISITION FOR INSTRUMENT) is one of the official documents used to issue an inquiry to the instrument supplier during the engineering design process. It is used to describe the common requirements of a specific project for a certain type of instrument products purchased. These regulations are used to guide compilers in the preparation of "Instrument Purchase Requisition Forms". 1.0.2 The general version of the instrument purchase requisition is suitable for the purchase of instrument equipment, accessories and materials in this profession.
HG/T 20637.5-1998 history
- 2018 HG/T 20637.5-2017 Compilation of engineering design documents for automatic control of chemical installations, specification of instrument purchase requisitions
- 1970 HG/T 20637.5-1998 Guid for preparation of engineering documents of instrumentation
