Russian standards PDF
Vacuum-enclosed prove tubes. Methods of measurement of plate current of segment
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Concrete mixture conveying buckets (vol. 2 M3). General technical requirements
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Cotton seed. Method for determination of germinating ability
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Control unit of switching communication. Terms and definitions
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Tube connections. Union passage elbows for Pn 16 MPa (160kgf/cm2). Construction and dimensions
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Tube connections. Reduce tees for Pn 16 MPa (160 kgf/cm2). Construction and dimensions
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