· 2020. 11. 27. · KOBELCO GEAR OIL GL-4 90 AND GREASE High endurance ability for heavy load...
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· 2020. 11. 27. · KOBELCO GEAR OIL GL-4 90 AND GREASE High endurance ability for heavy load anti-wear additive prevent welding and pitting at the contacting point of gears caused
