GB 8922-1988

Radiological health protection standard for using sealed radioactive sources in oil and gas-fild logging

NORMA vydaná dňa 11.3.1988

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The information about the standard:

Designation standards: GB 8922-1988
Note: NEPLATNÁ
Publication date standards: 11.3.1988
Country: Chinese technical standard
Kategória: Technické normy GB