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Yiwu DDC Measure Limited is special with marine supply products,measuring tools,gas station thing:Water Finding Paste,Gasoline Gauging Paste,Oil Measuring Tape, Sampling bottle, Navigation Parallel Ruler, Nautical Triangles and Chart Divders and Sampling line etc. |
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DDC Navigation Parallel ruler 450mm IMPA 371001 A parallel ruler is used to determine the direction of a course plotted on a chart. The ruler is walked from the course line to the nearest compass rose. The course heading can then be determined. Weems & Plath navigation parallel ruler to know Coastal Navigation Course. How to use the navigation parllel ruler? pls click here. Items : IMPA 371001 Package : 1pcs/box 50pcs/carton Package size : 48*48*34 CM ***IMPA371002 NAVIGATION PARALLEL RULER, PLASTIC PLAIN 450 MM PC *** |
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