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Refractories and refractory raw materials. Methods for the determination of magnesium oxide
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Assembling units and pipeline parts. Flanged reversible and open branches for Pnom 9,81-98,1 MPa (100-1000 kgf/cm2). Construction and dimensions
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Fiberglass. Yarns and rovings. Method for determination of linear density
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Safety of machinery. Permanent means of access to machinery. Part 1. Choice of fixed means and general requirements of access
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