海图圆规  供应航海器具.航海平行迟.三角板.量角器.商品描述/参数：船用海图室圆规  规格180MM专业提供各种民用航海仪器，通过ISO9001认证，质量过硬，价格适中。
平行尺 PARALLEL RULES,分规DIVIDERS,量角器PROTRACTOR,三杆分度仪,TRI-BAR QRADUATION,海图压CHART PRESS, 定位倾斜仪LOCALIZE CLINOMETER,大型倾斜仪LARGE TYPE CLINOMETER xtendible arm with a pencil lead point.
The maximum circle diameter is 380 mm.
170 mm in overall length.
 
1 Compass,chart room,170 mm