Underground loading machines. General technical requirements and test methods
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Heading machines having cutter
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Plough installations. Test methods
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Heading machines having cutter heads mounted on booms. Test methods
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Metal frame yield supports. Test methods
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Metal frame yield supports. Arch support. General specifications
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Quality indicator system. Metallurgic platforms. Product indicators.
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Quality indicator system. Cast-iron tubing. Product indicators.
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Powered supports for longwalls. Lift jacks. Basic parameter types.
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Departmental system of product quality control. Cast-iron tubing engineering level and quality evaluation procedure.
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Quality indicator system. Loading mine machines. Product indicators.
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Powered supports for flat- dipping beds. Distributors. Basic parameters.
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