Category:特許発明総動員の指標
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| This is the category for the Japanese book 特許発明総動員の指標. |
日本語: 特許発明総動員の指標
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Media in category "特許発明総動員の指標"
The following 2 files are in this category, out of 2 total.
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NDL1064898 特許発明総動員の指標.pdf 5,568 × 3,770, 93 pages; 49.1 MB
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NDL1875946 特許発明総動員の指標.pdf 6,364 × 4,931, 93 pages; 99.93 MB