PN：0210310007
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Description: The hold assembly belongs to the angle drop tool combination of drill of the direction well drilling process. This model assembly could demonstrate the operating principle and the structure of super jars, and it also train the students according to different hole deviation to assemble different dropping assembly and improve their understand of the direction well drilling and the drilling tool component. Details:
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No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.
Damucang Hutong, Xidan, Beijing P.R.C.100032
