作者: Detlef Schulz-lekies
DOI:
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摘要: There is disclosed a direction-changing roller for suspension frames of photographic material developing machines, over which the to be developed guided in meandering path. The has cylindrical body on each end there arranged respective collar-shaped flange. are further rollers inserted body. surfaces flush with outline or surface Each mounted freely rotatable about an axis extending perpendicular rotation and radially offset from this rotation.