GB/T 7438-1987

Numbering for telex and low speed data in national communi cation network

NORMA vydána dne 16.3.1987

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The information about the standard:

Designation standards: GB/T 7438-1987
Note: NEPLATNÁ
Publication date standards: 16.3.1987
Country: Chinese technical standard
Kategorie: Technické normy GB