| 规格和标准 |
Corner: Same thickness Nominal dimensions: 50cm, 1 shaku 6 sun Length (wife hand) x width x length: 520 (260) x 15 x 1.3mm Surface scale: Long, outer 50cm, inner 50cm (external standard), Wife hand, outer 25cm, inner 25cm (external standard) Back scale: Long, outer 1 shaku 6 sun, Wife hand, outer 8太阳 长度公差:500mm±0.2mm 直角:0.1mm或更少每100mm(尺寸侧) Sefti绳索安装孔:no 长度侧面(mm):520 短侧(mm):260 width(mm)
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