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The United States will be carried out mandatory produce GB to sign regulation of- ...
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- Mobile pencil uses regulation of classification of quality of core of Chinese in
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- Ball-pen and level of pen core state (discussion draft)
- 7 experiments method 7. 1 book writes function test Write property: Place pointing to a pen underlines mark not to appear inside formulary length become weak, break a string or do not delimit the performance that give....
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- Mobile pencil uses graphite core occupation standard
- This standard consults use international standard ISO 9177-2 " mobile pencil, the 2nd part: Classification of black lead core and dimension " . 1 theme content and suitable scope Method of requirement of the classification...
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- Regulation of classification of quality of pencil of pulsatile type activity
- Grade of quality of pencil of activity of 1 pulsatile type The classify of pencil of pulsatile type activity that 1.1 method are 0.5mm and 0.5mm above to core diameter norms only. By its quality is divided in all...
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- Regulation of classification of blue black quality
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- Fountain pen occupation standard
- [Hui Cong manages network of general articles for use] This level is comfortable the tap water of the liquid ink that is pigment at having dye of water-solubility of harbour lay aside and device of metallic pen point. 1 c...
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- Mobile pencil occupation standard
- This standard of of QB 1023-91 of pencil of activity of occupation standard of People's Republic of China consults use 917 7 of of international standard ISO, 1 " mobile pencil, the first: Classification, dimension, function...
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