Chain operator for a window
Chain operator for a window
Chain operator for windows
Device for opening and closing the panel of a window, door, vent
Double-chain window or door operator
Electrical operator for doors and windows
Manually releasable coupling device for connecting an elongate o
Means for the opening and closing of angularly movable panels
Operating mechanism for a motorcar window
Operating mechanism for a motorcar window
Operator with at least two linkage mechanisms for opening and cl
Remote controller for hinged window
Ventilating skywindow
Window operator
Window operator