Specification for steam turbines for electrical plant
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High-voltage overhead lines on wood poles for line voltages up to and including 11 kV, with conductors not exceeding 0.05 sq in
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Synthetic resin (aminoplastic) moulding material and mouldings
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Synthetic-resin-bonded paper sheet (thermosetting) for use in the building industry
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Acid resisting silicon iron pipes and pipe fittings (elbows, bends, tees, crosses)
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