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    INVESTIGATION ON U.S. SEAMLESS STEEL TUBING INDUSTRIES
    Yin Guomao, Liu Songquan, Su Jiaming
    1991, 20(1): 1-9.
    Abstract PDF
    PROCESS OF IMPROVED ASSEL TUBE MILL
    Zhang Cheng
    1991, 20(1): 10-15.
    Abstract PDF
    ROUND-INGOT PIERCING BY CROSS-ROLLING WITH ELONGATOR OF PILGER MILL
    Yin Renjie
    1991, 20(1): 16-19.
    Abstract PDF
    TECHNICAL FEATURES OF BRANX SIX-ROLL STRAIGHTENER
    Li Dehui
    1991, 20(1): 20-24.
    Abstract PDF
    QUALITY CONTROL REGARDING STEEL PIPE SLIGHT-STRETCH REDUCING
    Qiu Yongtai, Fang Ping
    1991, 20(1): 25-30.
    Abstract PDF
    A NEW TUBE COLD-ROLLING MILL WITH MULTI ROLL-ROWS
    Bai Lianhai
    1991, 20(1): 31-35.
    Abstract PDF
    DEVELOPMENT AND STRUCTURE OF CONTINUOUS TUBE COLD-DRAWING MILL
    Hu Dachao
    1991, 20(1): 36-41.
    Abstract PDF
    APPROACH TO SPIRAL RAISING ANGLE OF INTERNAL SPIRAL-RIBBED TUBE
    Jiang Zhengyi
    1991, 20(1): 42-45.
    Abstract PDF
    ANALYSIS REGARDING CHEMICAL SEGREGATION OF CENTRIFUGALLY-CAST STAINLESS STEEL BILLETS FOR SEAMLESS PIPES
    Zhao Dianxi, Zhang Min, Zhao Xiaojun
    1991, 20(1): 46-49.
    Abstract PDF
    IMPROVEMENT OF STEEL-PIPE DIMENSIONAL ACCURACY BY EMPLOYING ELONGATOR BEFORE MAIN TUBE-ROLLING MILL
    Song Benren
    1991, 20(1): 50-52.
    Abstract PDF
    DETERMINATION OF COLD-ROLLING PARAMETERS ENSURING ELONGATION OF STEEL TUBES
    О. В. Олейник, etc.
    1991, 20(1): 53-54,62.
    Abstract PDF
    DEVELOPMENT OF EPOXY RESIN COATINGS FOR WATER PIPELINES
    Shan Tianwuhai, Feng Xianjin
    1991, 20(1): 55-58.
    Abstract PDF
    KNOWLEDGE OF SHAPED STEEL PIPE PRODUCTION （ PART Ⅰ）
    Liu Zuohuan
    1991, 20(1): 59-62.
    Abstract PDF