We take air as raw material and utilize the carbon molecular sieve (CMS) as absorbent. CMS absorption of oxygen in air is much larger than its absorption of nitrogen under certain pressure, thus through programmed on and off process of the automatic pneum
Leica GRT247 Style Carrier with 5/8 Thread Model NO.: AL13-6 Simple carrier for use in tribrachs with optical plummet. For direct fitting of GNSS receiver. Centring accuracy 1.0mm.
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