Aluminium alloy solid coupling type A with metallic sealing area and with cast iron or with aluminium alloy cover, type A; nominal pressure 16
A型铝合金实心联轴器 带金属密封区和铸铁或铝合金盖 A型；标称压力16

1985-04-01

Aluminium alloy solid coupling type B with metallic sealing area and with cast iron cover or with aluminium alloy cover, type B; nominal pressure 16
B型铝合金实心联轴器 带金属密封区和铸铁盖 或B型铝合金盖；标称压力16

1985-04-01