Rotary bucket quarry excavators. Ranges of basic parameters
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Single bucket excavators. General specifications
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Lining powered roof chocks
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Plough installations. Test methods
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Pit single props. General technical requirements
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Pit hydraulic props. Test methods
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Powered supports for flat steam longwalls. Straddles. Types and basic parameters.
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Auger conveyors of cleaning narrow-range combines. Types and main dimensions.
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Narrow-range coal-plough machines. General technical requirements.
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Double-acting rubber sleeve for hydraulic cylinders. Design, dimensions and technical requirements.
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Protective rings for double acting cuffs. Design, dimensions and specifications.
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