GB/T 12345-90
Range
Amount
Symbols
row 1
94
Numbers
row 2
72
ISO 646-CN (full width characters)
row 3
94
Hiragana
row 4
83
Katakana
row 5
86
Greek
row 6
48
Greek (for vertical use)
row 6
29
Cyrillic
row 7
66
Line drawing elements
row 9
76
Half width GB 1988-89
row 10
94
Half width pinyin characters
row 11
32
Chinese characters
row 16 - 55
3 755
Chinese characters
row 56 - 87
3 008
Extra Chinese characters
row 88 - 89
103
Total
7 709
It was published on June 13, 1990 by 中华人民共和国国家技术监督局 zhōnghuárénmíngònghéguó guójiā jìshù jiāndūjú. It became effective on December 1, 1990. The T means Extension (推荐 tuījiàn).
It is almost identical to GB 2312-80 but most characters (2 180) are replaced by their traditional variant. It contains two print-errors.
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