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松业电感支架PCG230-Z(0.4mm)
0.4mm全塑电缆在企业通信网络中使用的经济价值
0.4mm全塑电缆在企业通信网络中使用的经济价值
0.4mm全塑电缆在企业通信网络中使用的经济价值
ASTMB230ASTMB230M-99(2004)电气用1350-H19型铝线
Designation: B 230/B 230M –99 (Reapproved 2004) Standard Speci?cation for Aluminum 1350–H19 Wire for Electrical Purposes 1 This standard is issuedunder the ?xed designation B 230/B 230M; the number immediately following the designation indicates the year of original adoption or, in the caseof revision, the year of last revision. A number in parenthesesindicates the year of last reapproval. A super
