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7608201010 
外径≤10厘米的管状铝合金
Tubes and pipes of aluminum alloy, of an outside diameter not exceeding 10cm,tensile strength reaches 460 mega-P (0.46*109Newton/ m2) or more at 293K (20 degree centigrade) |
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7608209910 
外径>10厘米,其他管状铝合金
Other tubes and pipes of aluminum alloy, tensile strength reaches 460 mega-P (0.46*109Newton/ m2) or more at 293K (20 degree centigrade), of an outside diameter more than 10cm |
7608209110 
外径>10厘米,壁厚≤25毫米的管状铝合金
Tubes and pipes of aluminum alloy, of an outside diameter more than 10cm, and of an wall thickness not exceeding 25mm,tensile strength reaches 460 mega-P (0.46*109Newton/ m2) or more at 293K (20 degree centigrade) |
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