GB - Chinese national standards

Calculation methods of load capacity for involute cylindrical spur and helical gears--Application for industrical gears

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Agricultural tractors—Maximum actuating forces required to operate controls

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Agricultural vehicles--Mechanical connections between towed and towing vehicles--Part 1:Dimensions of hitch-hooks

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Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 2: Specifications for clevis coupling 40

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Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 3: Tractor drawbar

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Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 4: Dimensions of piton-type coupling

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Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 5: Dimensions of ball-type coupling device

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Agricultural vehicles—Mechanical connections between towed and towing vehicles—Part 6Specifications for non-swivel clevis couplings

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water-sourceground-source heat pumps

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Screw refrigerant compressors

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