| 摘要 |
Gas cooking appliance equipped with a top plate (1) having at least one region (7) for the attachment of an injector (6) of a gas burner (4) and for supporting a head (12) of the burner coaxial with the injector (6); the region (7) has a non-circular contour, particularly a polygonal contour, and the burner head (12) has legs (16) by which it rests on the region (7), the number and arrangement of which legs are such that they collaborate with the sides of the non-circular contour of the region (7) so that the burner head (12) can occupy only a determined and limited number of angular positions while at the same time being arranged coaxial with the injector (6) and so that, for any incorrect positioning-in terms of orientation and/or in terms of centring-of the head (12), the latter rests on the top plate such that it is inclined and that the incorrectness is thus visible.
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