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申请号 发明名称北京钢铁设计研究总院卜]丹诺夫冶余研究院(苏)…、}诺夫冶套研究院(苟)F1本钢管株式会;f:卜1 1i钏管株式会祉}:1本钢舒侏式会社日本铜管株式会社鞍山黑色冶金矿I JI设计研究院鞍山黑色冶金矿LlJ设计昕定院航空材料研究所上海冶金研究所华中工学院j≯:瑞有I;R公
Application No. Name of Invention Beijing Institute of Iron and Steel Design and Research Bu Danuo Fu Metallurgical Research Institute (Su) ...,} Nofu Metallurgical Research Institute (Gou) F1 of the pipe plant; f: BU 1 1i 株 管 株式会社} 1 Benxi Steel Co., Ltd. Jurassic Japan brass tube Anshan Black Metallurgy I JI Design and Research Institute Anshan black metallurgical mine LlJ design Xin Dingyuan Institute of Aeronautical Materials Shanghai Institute of Metallurgy Huazhong Institute of Technology j≯: Rui I; R male