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GB714942A
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Improvements relating to wooden scaffold putlogs and boards
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ES201365A1
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A system for reinforcing woods and scaffolding beams (Machine-translation by Google Translate, not legally binding)
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GB708142A
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Improvements in or relating to couplings for tubes, rods, or the like
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DE877514C
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Easily joinable, high-tensile quick connection of parts, especially pipes
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DE842734C
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Pipeline for superheated high pressure steam
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DE829835C
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Pipeline
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GB664102A
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Device adapted for the intermittent delivery of water for instance, for rain or sprinkling plants
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