CHARACTERISTICS AND HELICAL ANGLE OF CIRCULAR ARC GEAR PAIR FOR DRILLING EQUIPMENT TRANSMISSION
Shi Mingshan, Feng Youbing, Wang Linxiang, Chen Yinghua, Zhong Hui
Editorial office of ACTA PETROLEI SINICA . 1993, (2): 129 -136 .  DOI: 10.7623/syxb199302016

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