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New edition " bar code of Chinese level book number " carry out since this month
The reporter published center of total arrange bar code to learn from news a few days ago, released formally on January 9 " bar code of Chinese level book number " (GBT 12906-2008) , rose to be carried out formally on August 1. Si...
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The United States will be carried out mandatory produce GB to sign regulation of
American Ministry of Agriculture was released formally on July 29, 2008 mandatory produce GB to sign regulation of final try out formerly. This regulation will have go into effect on September 30, 2008. Basis 2002 with bill of...
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Mobile pencil uses regulation of classification of quality of core of Chinese in
1 activity pencil uses social estate of quality of core of Chinese ink lead (HB kind) 1.1 method are opposite only the 0.50.7 colophony lead core that reach 1.0mm core way differentiate quality grade. Its quality...
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Teaching material of middle and primary school prints GB with paper finish by Oc
The reporter pressworks from the whole nation secretariat of standardization technology committee understands, national level " schoolbook of middle and primary school uses paper, print quality and law of check proved recipe "...
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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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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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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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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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