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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9185-2003 |
Photography--135-size film and magazine--Specifications 摄影师 135规格胶片和暗盒 规范 |
China National Standards magazine |
 English PDF |
| GB/T 788-1999 |
Formats and their sizes of books and magazines 图书和杂志开本及其幅面尺寸 |
China National Standards magazine |
English PDF |
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