Category:電話交換規則
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| This is the category for the Japanese book 電話交換規則. |
日本語: 電話交換規則
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Media in category "電話交換規則"
The following 2 files are in this category, out of 2 total.
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NDL1087149 電話交換規則 - 附・電話交換加入者心得并ニ電話器使用心得.pdf 5,677 × 4,350, 14 pages; 7.12 MB
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NDL805462 電話交換規則.pdf 7,166 × 5,731, 14 pages; 21.35 MB