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Manually operated sectional overhead door
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Door control with slim cable detection
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Easy to install overhead door.
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Fastening system for overhead doors.
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Method of manufacturing profiles for rail systems.
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NL2009194C2
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Method for manufacturing a window door in a sectional door.
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Overhead door with multiple hinge for a window door.
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Manufacturing method for rail profiles for overhead doors, involves widening one end of profile with open length side and then bending
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