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发表于 2009-12-19 12:24:56
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来自: LAN
ASTM B209 -07 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate , aluminum alloy, aluminum-alloy plate, aluminum-alloy sheet,) F" T' y3 X+ w# `. f: p, @
) a8 l2 s/ ?8 g
ASTM B211 -03 Standard Specification for Aluminum and Aluminum-Alloy Bar, Rod, and Wire , aluminum alloy, rolled or cold-finished bar, rolled or cold finished8 f: U/ p# L6 j; {, X
2 [2 _# B3 c7 Y
ASTM B221 -08 Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes , aluminum alloy, extruded bars |
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