GB 9036.4-1988

Technical requirements and test methods for service observation desks (quality checking desks) in manual toll telephone switching equipments

NORMA vydaná dňa 1.1.1988

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The information about the standard:

Designation standards: GB 9036.4-1988
Note: NEPLATNÁ
Publication date standards: 1.1.1988
Country: Chinese technical standard
Kategória: Technické normy GB