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苏联《有色全回》＊988川O巴加i＄份 提高钨丝质量的措施 挤压前加热铸锭采用各种型式炉子的效益分 金属压力加工厂生产供水的无污水系统析 超细铜丝的断口特征 挤厌方法对棒材机械性能和组织的影响 铝合金中非金属杂质的测定 退火温度对电解铜箔性能和组织
Soviet Union “colored full back” * 988 Sichuan O Barga i $ measures to improve the quality of tungsten wire before the extrusion heating ingot furnace with various types of benefits of sub-metal pressure processing plant production of water-free sewage system analysis ultrafine copper wire Of the fracture characteristics of extrusion method on the mechanical properties of bar and the impact of aluminum alloy in the determination of non-metallic impurities annealing temperature on the performance and organization of electrolytic copper foil