Moldova standards PDF

Air quality - General aspects - Vocabulary. Original standard ISO 4225-2020 in PDF full version. Additional info + preview on request

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Air quality - General aspects - Units of measurement. Original standard ISO 4226-2007 in PDF full version. Additional info + preview on request

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Spanners and wrenches - Spline drive ends for power socket wrenches. Original standard ISO 4228-1986 in PDF full version. Additional info + preview on request

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Assembly tools for screws and nuts - Single-head engineer's wrenches for lower torque applications - Maximum outside dimensions of heads and test torques. Original standard ISO 4229-2017 in PDF full version. Additional info + preview on request

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Photography - Processing chemicals - Specifications for hydroquinone. Original standard ISO 423-1994 in PDF full version. Additional info + preview on request

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Hand- and machine-operated circular screwing dies for taper pipe threads - R series. Original standard ISO 4230-2016 in PDF full version. Additional info + preview on request

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