QBe1.8铍铜带,C1750铍铜带,铍青铜带
QBe1.8铍铜线,C172..
QBe1.8铍铜棒,C172..
C17500铍铜板,C175..
C1720铍铜板,C1720..
QBe2铍铜板,QBe1.9..
QBe1.8铍铜带,C175..