SN 210 379-2-1992 Technical product documentationTerms and examples Part 2 Electrotechnical documentation《固定联轴器 型号 R（摩擦阻力）带有短套筒，适用于圆柱形轴端（用来收缩）1）2）螺栓圆周直径的主要尺寸 k=.pdf

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