Category:GB 5768
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Media in category "GB 5768"
The following 3 files are in this category, out of 3 total.
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China GB 5768.2-2009.pdf 1,247 × 1,752, 200 pages; 15.88 MB
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China GB 5768.3-2009.pdf 1,239 × 1,752, 122 pages; 36.29 MB
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GB 5768.2-2022.pdf 1,239 × 1,754, 369 pages; 79.16 MB