Research on vector control system of beam pump used in CBM wells
1992 ◽
Vol 112
(9)
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pp. 844-851
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Keyword(s):
2009 ◽
Vol 129
(7)
◽
pp. 698-704
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2014 ◽
Vol 548-549
◽
pp. 819-823
Keyword(s):
Keyword(s):
2003 ◽
Vol 123
(1)
◽
pp. 21-29
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Keyword(s):
Keyword(s):
2004 ◽
Vol 68
(3)
◽
pp. 238-247
◽
Keyword(s):