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Performances and construction of electric circulating fans and regulators
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Mould guide pillars, straight and shouldered, locating guide pillars, shouldered
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Information processing systems. Flexible magnetic disks for information interchange. File structures and labelling
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Thermal sprayed protective coatings from zinc and aluminium metallic construction. General requirements for a typical technological process
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Detector sets of gamma radiation for spectrometry. Methods basic parameters measurement
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