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Lock for window or door - has two parallel bolts actuated by lock handle
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Additional safety device for windows
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Lattice construction of metal, in particular steel
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Fence structure made of metal, in particular of steel
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Fence structure
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Device for safeguarding skylight windows against breaking and entering
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IE801654L
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Security grid for lighting shafts
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Device for securing light wells or the like in particular. against burglary
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