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Internal combustion engines. Piston rings - Half keystone rings made of steel. Original standard BS ISO 6624-4-2016 in PDF full version. Additional info + preview on request
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Internal combustion engines. Piston rings - Coil spring loaded oil control rings made of cast iron. Original standard BS ISO 6626-1-2024 in PDF full version. Additional info + preview on request
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Internal combustion engines. Piston rings - Coil-spring-loaded oil control rings of narrow width made of cast iron. Original standard BS ISO 6626-2-2024 in PDF full version. Additional info + preview on request
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Internal combustion engines. Piston rings - Coil-spring-loaded oil control rings made of steel. Original standard BS ISO 6626-3-2019 in PDF full version. Additional info + preview on request
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Internal combustion engines. Piston rings. Expander/rail oil-control rings. Original standard BS ISO 6627-2022 in PDF full version. Additional info + preview on request
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Cereals and pulses. Determination of hidden insect infestation - General principles. Original standard BS ISO 6639-1-2025 in PDF full version. Additional info + preview on request
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