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GB2013267A
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Thermalbreak frame assembly
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IE781576L
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Thermal-break frames (doors and windows)
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US4164830A
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Double-glazed doors or windows and frame assemblies therefor
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DE2752235A1
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DOUBLE-GLASS DOORS OR WINDOWS AND FRAME CONSTRUCTION FOR THEM
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GB1601946A
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Hermalbreak frame assembly
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GB1593148A
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Doubleglazed doors or windows and frame members therefor
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US4073224A
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Ventilators
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US4069548A
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Hinge for use with window assembly
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US4035953A
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Hinge and hinge and pivot arrangement
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US4059924A
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Operating mechanism for doors and windows
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GB1552917A
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Window assemblies
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DE2531879A1
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JOINT FOR USE IN WINDOW INSTALLATIONS
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US3908313A
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Window assembly
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GB1510786A
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Ventilators
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GB1493395A
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Hinge and pivot arrangement
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GB1485043A
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Operating mechanism for windows
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GB1460721A
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Stay arrangement
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GB1419625A
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Thermal-break frame assembly for windows
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GB1364444A
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Operating mechanism for locking bolts of doors and windows
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GB1349839A
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Locking arrangement for doors or windows
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