Underground equipment chamber access opening has metal frame with prefabricated concrete surround sealed in opening
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Retractable terminal for electrical distribution in public places
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Partitioning door for a partition wall of a vessel
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Mechanical lock secured by an electromechanical actuator piloted by electrical access control
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Improvements in or relating to a locking device for an access trap of galleries and underground works of civil engineering, consisting of at least one leaf
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Device for extracting a housing contained in an underground chamber
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Sealed, retractable cabinet for electric power distribution
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Heat sink device for an electric distribution cabinet or similar, contained in an underground cavity
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Sealed, retractable cabinet for electric power distribution
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Protective housing device for cables and in particular optical cables
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Connection box for urban analogue-digital electrical networks
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Device for a triangulated trap of access to galleries and underground works of civil engineering
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Combination lock device.
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Combination lock for preventing the actuation of a bolt
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Pivoting hatch for civil engineering works.
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Locking device for an access hatch to galleries and underground civil engineering works.
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Key device usable for operating the lock of an access hatch to a civil engineering structure.
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Device for assistance with opening and closing a hatch, particularly an access hatch (manhole) to civil engineering constructions (works)
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SEALED LOCK FOR EQUIPPING THE DOORS OF TECHNICAL WORKS.
