1671-251X
1993 Issue 4
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..............page:61
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..............page:58-59
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..............page:56
..............page:55-56
..............page:53-55
..............page:50-52
Development of a autosurvey vehicle
chu kou gang tai
chu kou gang tai
..............page:48-50
A timer suitable for underground mine use
zhao hai yun
zhao hai yun
..............page:47
New type display unit for skip's running position and item counting
li chang qing ; zhu shi song ; wei fang tu
li chang qing ; zhu shi song ; wei fang tu
..............page:45-46
..............page:40-44
A computer for winch's hoisting path
ding shun
ding shun
..............page:37-40
A piezoelectric ceramic fan
meng jin quan
meng jin quan
..............page:36-37
Estimation of the force applied on shearer's cutting picks
li xin ping ; cheng ju shan
li xin ping ; cheng ju shan
..............page:34-35
Opinions on assembly process of legs of powered support
song gong cheng
song gong cheng
..............page:32-34
..............page:28-32
..............page:24-28
ZDB series chip microcomputer comprehesive protector used for motors
song jian cheng ; shi zong yi ; geng tai rong
song jian cheng ; shi zong yi ; geng tai rong
..............page:21-24
..............page:20-21
Problems on improvement of operating conditions of detecting instrument for coal-preparation plant use
yan guang bai
yan guang bai
..............page:17-20
Intelligent multiplex digital display instrument
tan de jian ; yao zhi chang
tan de jian ; yao zhi chang
..............page:13-17
A new practical scheme of compensating control to networks reactive power
fu zhou xing ; geng wen qiang ; wang sheng cheng
fu zhou xing ; geng wen qiang ; wang sheng cheng
..............page:10-13
..............page:8-10
Use of midband communication devices in underground coal mines
xu su ; zuo hong sheng ; yao shan hua
xu su ; zuo hong sheng ; yao shan hua
..............page:5-7
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