a
  • Alfa：铑丝, 0.5mm (0.02in)直径, 99.8% (metals basis)
  • Alfa：铑丝, 0.5mm (0.02in)直径, 99.8% (metals basis)
b

Alfa：铑丝, 0.5mm (0.02in)直径, 99.8% (metals basis)

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