GB/T 39757-2021

Building construction machinery and equipment—Code of practice for the safe use of concrete pumps and mobile concrete pumps with placing boom

NORMA vydaná dňa 9.3.2021

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The information about the standard:

Designation standards: GB/T 39757-2021
Publication date standards: 9.3.2021
Country: Chinese technical standard
Kategória: Technické normy GB