GB1006982A
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Window pivots
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GB1070017A
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Operating device for a pivoted window
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GB1007923A
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Window frames
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GB1008108A
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Window and like frames
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GB942774A
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Panels
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GB983431A
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Metal window frames
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GB943142A
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Pivoted windows
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GB962909A
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Improvements in or relating to means for opening and closing windows and other hinged panels
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GB917934A
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Improvements relating to pivoted window frames
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GB903231A
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Window actuating mechanism
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GB899103A
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Improvements relating to reversible window frames
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GB905503A
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Metal window frames
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GB852295A
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Window or like frames
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GB840474A
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Hinges
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GB830295A
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Window frames
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GB839491A
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Metal glazing bars
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GB832816A
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Frames for windows, doors, room partitions or the like
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GB831825A
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Window constructions
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GB818945A
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Metal window or door frames
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GB615854A
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Securing means for metal window frames
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