Russian standards

Aircraft and helicopter tank filling orifices. Diameters

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Positive-displacement hydraulic drives, pneumatic actuators and lubricating systems. Connecting threads

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Electrical insulating synthetic fluid octol. Specifications

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Reprography. Micrography. Image scales

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Reprography. Micrography. Numerical designation for microfilms

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Reprography. Micrography. Boxes for microfilm in roll. Main sizes and technical requirements

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