Harbin Optical Instrument Factory Ltd.

compass(5)

Harbin Optical Instrument Factory Ltd.

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what is the difference between harbin co***ss and
Specification: DQL-8
Detail: Harbin DQL-8 co***ss 1.Damping function enable a quick reading in nine seconds 2.Neodymium(NdFeB) needle, highest magnetic strength permanent magnet 3.Less erro (< 0.5degree), High accuracy 4.magnetic declination adjustin...

pocket transit pocket co***ss dql-2a
Specification: DQL-2A
Detail: Precision of air level 30¡ä¡À5¡ä/2mm The reading error ¡Ü0.5¡ã Dial scale 1¡ã Weight 0.26kg Size 77.5¡Á66¡Á20(mm)

forestry co***ss surveying co***ss with telescope
Specification: DQL-16Z
Detail: Magnification:16X(elevation) Level:20¡ä¡À5¡ä/2mm Horizontal and vertical dial value:1¡å Vernier scale:5¡ä Shortest sighting distance:2.5m Stadia multiplication constant:100 Stadia additive constant:0

harbin survey co***ss dql-8 15 patents and 55 years innovation
Specification: survey compass
Detail: Harbin Geology co***ss/survey co***ss Model: DQL-8 Material Aluminium Size 80*75*35mm Color Black Weight 240g Packing: leather case and paper box per piece. 15 patents and 55 years innovation Specialized in survey co**...


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