Description: The apparatus use stainless steel oscillator and outer sell, face display use luminescent stand column, And it have functions such as 30 second of oscillation and 20 minutes of timing Because of improve the transmission device, Stability of apparatus improves. 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