Russian standards PDF
Unified system for design documentation. Graphical designations on electrical diagrams. Devices of pulse-code modulation
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Unified system for design documentation. Graphic designations in electric diagrams. Integral optoelectronic elements of indication
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Unified system of design documentation. Graphic symbols for use in electric schemes, systems of information transmission with temporal division of channels
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Unified system for design documentation. Graphical symbols for diagrams. Electrochemical, electrothermal and heat sources
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Iron pattern plates for moulding boxes having inside dimensions 1200x1000 mm for moulding foundry machines without turn of half mould without squeezing. Design and dimensions
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Iron pattern plates with changeable metal inserts for moulding boxes having inside dimensions 1000x800 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions
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