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File:WUCHAO SUANJING-073-073.jpg

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Summary

Description
中文（简体）：北周甄鸾撰数术记遗
Date 6th century
date QS:P,+550-00-00T00:00:00Z/7
Source mybook 根据唐戈藏书拍摄
Author Zhen Luan, 6th century

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current00:56, 21 April 2012Thumbnail for version as of 00:56, 21 April 2012919 × 1,450 (485 KB)Gisling
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