GFC 165 Azimuth Circle of Magnetic Compass GFC 165 Azimuth Circle of Magnetic Compass, Marine Specialist Wholesale Azimuth Circle, it is suitable for CPT-165A navigation steering magnetic compass. GFC serial azimuth circles can be used for various kinds of Class A magnetic compass, and are designed and manufactured in accordance with shipbuilding industry standard GB/T 335-2005 <Marine […]