DB1304/T 433-2023 Active Hebei ProvinceLocal standards

DB1304/T 433-2023 Patent quality evaluation technical specifications

Publish Date: 2023-08-21 Implement Date: 2023-08-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB1304/T 433-2023

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical management

ICS Name: \nNoise (related to humans)

Publish Date: 2023-08-21

Implement Date: 2023-08-30

Pages: 9 pages

Development Information

Pages: 9 pages

Related Standards

GB/T 3239-1982 Active

GB/T 3239-1982 Expression of physical and subjective magnitudes of sound and noise in air

Publish Date: 1982-06-08

GB/T 4963-1985 Replaced

GB/T 4963-1985 Normal equal-loudness contours for pure tones under free field listening conditions

Publish Date: 1985-02-28

GB/T 7582-1987 Replaced

GB/T 7582-1987 Acoustics—Threshold of hearing by air conduction as a function of age and sex for otologically normal persons

Publish Date: 1987-03-27

GB/T 7583-1987 Active

GB/T 7583-1987 Acoustics—Pure tone air conduction threshold audiometry—For hearing conservation purposes

Publish Date: 1987-03-27

GB 14227-1993 Replaced

GB 14227-1993 Noise limits on platform of subway station

Publish Date: 1993-03-06

GB/T 14228-1993 Replaced

GB/T 14228-1993 Measurement for noise on platform of subway station

Publish Date: 1993-03-06