| http://www.w3.org/ns/prov#value | - he operator, preferably without being conscious of this fact characterized in that between the central interlock drive (12) and the drive element (13) there is a clutch (14) which engages only with the beginning of minimum rpm, especially in the form of a centrifugal clutch, which ensures that the lock element (10) can be easily moved by hand with the central interlock drive (12) stationary, that
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