GB/T 12057-1989

General purpose 37-position and 9-position interface for data terminal equipment and data circuit-terminating equipment employing serial binary data interchange

NORMA vydána dne 29.12.1989

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The information about the standard:

Designation standards: GB/T 12057-1989
Publication date standards: 29.12.1989
Country: Chinese technical standard
Kategorie: Technické normy GB