SK平坦的直角标尺平坦SCOYA等于JIS 2级，未硬化，75mm 钢形DD型75mm DD-S75

Length piece total length (mm): 75
Bottom length (mm): 50
Thickness (mm): 3
Square angle (mm): ±0.027
Pole length (mm): 75
Base length (mm): 50
Width (mm): 18
Thickness (mm): 3
Accuracy: Square angle (mm): ±0.027
形状：扁平型
标称维度（mm）：75

主体：机械结构的碳钢

47g

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