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

NORM herausgegeben am 29.12.1989

The information about the standard:

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