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Hopper for granular materials
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Fastening device
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Apparatus for disconnecting contact wire network at bascule bridge
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Arrangement for turning long articles
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Vacuum trap for liquid
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Method of carrying long articles on conveyer
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Device for ion-exchange treatment of water
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Arrangement for maintaining voltage in contact wire system of a.c.electric railways
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Device for emergency arresting of hoistable gate web
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Device for suspending contact wire in railway tunnel
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Compound arrangement of longitudinal compensation for distributing electric networks
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Unit for sand supply of locomotives
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Cargo-handling gear
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