QX/T 781-2025 Active Industry standards-Meteorology

QX/T 781-2025 Surge Protective Device - Part 4: Selection and Use Principles in Photovoltaic Systems

Publish Date: 2025-08-06 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: QX/T 781-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Meteorology

ICS Name: Geology, meteorology, and hydrology

Publish Date: 2025-08-06

Implement Date: 2025-12-01

Publisher: 中国气象局

Development Information

Related Standards

GB/T 1920-1980 Abolished

GB/T 1920-1980 Standard atmosphere (below 30 kilometers)

Publish Date: 1980-04-01

GB/T 958-1989 Replaced

GB/T 958-1989 Geological symbols used for regional geological maps (1:50000)

Publish Date: 1989-02-22

GB/T 11615-1989 Replaced

GB/T 11615-1989 Geologic exploration standard of geothermal resources

Publish Date: 1989-08-29

GB/T 12329-1990 Active

GB/T 12329-1990 Karst geology terminology

Publish Date: 1990-04-19

GB/T 12745-1991 Replaced

GB/T 12745-1991 Static penetrometer

Publish Date: 1991-03-21

GB/T 12746-1991 Replaced

GB/T 12746-1991 Standard penetrometer

Publish Date: 1991-03-21