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Rubber hoses and hose assemblies. Textile-reinforced hydraulic types for oil-based or water-based fluids. Specification. Original standard BS ISO 4079-2020 in PDF full version. Additional info + preview on request

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Rubber hoses and tubing for cooling systems for internal-combustion engines. Specification. Original standard BS ISO 4081-2016 in PDF full version. Additional info + preview on request

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Micrographics. Microfilming of newspapers for archival purposes on 35 mm microfilm. Original standard BS ISO 4087-2005 in PDF full version. Additional info + preview on request

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Road vehicles. Connectors for the electrical connection of towing and towed vehicles. Definitions, tests and requirements. Original standard BS ISO 4091-2003 + A1-2022 in PDF full version. Additional info + preview on request

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Diesel engines. Fuel injection pumps. High-pressure pipes for testing. Original standard BS ISO 4093-1999 in PDF full version. Additional info + preview on request

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Paper, board and pulps. General requirements for the competence of laboratories authorized for the issue of optical reference transfer standards of level 3. Original standard BS ISO 4094-2017 in PDF full version. Additional info + preview on request

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