27 - ENERGY AND HEAT TRANSFER ENGINEERING

NY/T 4757-2025 in English

Technical Guide for Medium and High Temperature Biogas Engineering

VALID

Issued on:2025-04-27 | Implemented on:2025-08-01

DB13/T 2554-2022 in English

Technical procedures of Single-well provide geothermal resources evaluation

VALID

Issued on:2022-08-10 | Implemented on:2022-09-10

DB64/T 1697-2020 in English

VALID

Issued on:2020-02-28 | Implemented on:2020-05-28

DB13/T 2778-2018 in English

VALID

Issued on:2018-07-16 | Implemented on:2018-08-16

DB13/T 2779-2018 in English

VALID

Issued on:2018-07-16 | Implemented on:2018-08-16

DB42/T 1342-2018 in English

VALID

Issued on:2018-05-08 | Implemented on:2018-07-01

DB13/T 2727-2018 in English

VALID

Issued on:2018-04-09 | Implemented on:2018-05-09

DB13/T 2555-2017 in English

VALID

Issued on:2017-09-06 | Implemented on:2017-10-06

DB13/T 2552-2017 in English

VALID

Issued on:2017-09-06 | Implemented on:2017-10-06

DB13/T 2571-2017 in English

VALID

Issued on:2017-09-06 | Implemented on:2017-10-06