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device for conversion of drehschwingungen a schwingwelle in a gleichsinnige rotary motion of a rotating shaft, in particular for the slide show of pointers of a clock by a drehschwingungen executive
device for conversion of drehschwingungen a schwingwelle in a gleichsinnige rotary motion of a rotating shaft, in particular for the slide show of pointers of a clock by a drehschwingungen executive