HK31A HK21A镁合金德国：H-Mg99.95 H-Mg99.8 3.5002 3.5003 MgMn2 MgAl3Zn MgAl6Zn MgAl8Zn 3.5200 3.5312

3.5612 3.5812 G-MgAl8Zn1 G-MgAl8Zn1ho GK-MgAl8Zn1 G-MgAl9Zn1 G-MgAl9Zn1ho G-

MgAl9Zn1Wa GK-MgAl9Zn1 GK-MgAl9Zn1ho GK-MgAl9Zn1wa GD-MgAl9Zn1 G-MgAl6 G-MgAl6ho
产品名称：HK31A HK21A镁合金
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