Category:外国電信係読本
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| This is the category for the Japanese book 外国電信係読本. |
日本語:外国電信係読本
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Media in category "外国電信係読本"
The following 2 files are in this category, out of 2 total.
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NDL1029991 外国電信係読本 - 附・実用二文字標準補助暗号書 part1.pdf 5,393 × 4,102, 100 pages; 52.36 MB
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NDL1029991 外国電信係読本 - 附・実用二文字標準補助暗号書 part2.pdf 5,393 × 4,102, 4 pages; 1.48 MB