GOST ISO 5674-2012 Tractors and machinery for agriculture and forestry Guards for power take-off (PTO) drive shafts Strength and wear tests and acceptance criteria《农林业用拖拉机和机械 动力输出(.pdf

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4、 fastness Part A02: Grey scale for assessing change in color (. . 02. ) ISO 500 ( ) Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 ( . 1, 2 3) ISO 4892-1:1999 Plastics Methods of exposure to laboratory light sources Part 1: General guidance . . 1. ISO 4892-2:2006 Plastics Methods

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