arretiervorrichtungfor some fastweldthe arrangement of the lufteintrittsseite a lufteinlassorgans(3) with an inner tube(1) and an outer casing (2),with the inner sleeve(1) at one end of the lufteinlassorgan (3) screws andat the other end of a mouththe plug of a connector (4) is, with the inner tube (1).close to the mouthin the umfangsseite several continuous auditoriums (11)which, in each of which a from the recording part (11)outstanding arretierelement (12) is incorporated.thissaying thatthe additional (11) oval trainedand one at a central axis (c) of the inner shell (1)vertical axis (a) and to the central axis (c) of the inner shell (1)parallel nebenachse (b)), andthe arretierelemente(12) also trained and a major axis of each oval(a1) and (b1) a nebenachse possess, with the two ends of theaxes (a1) of the arretierelemente (12) in the two ends of the axes.
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