GB/T 11757-1989

Methods for the measurement of exposure time of medical diagnostic X-ray equipment

NORMA vydaná dňa 20.10.1989

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The information about the standard:

Designation standards: GB/T 11757-1989
Note: NEPLATNÁ
Publication date standards: 20.10.1989
Country: Chinese technical standard
Kategória: Technické normy GB