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USRE32528E Container for pictures having similar formats 失效
容器具有类似格式的图片

Container for pictures having similar formats
Abstract:
Container for pictures, especially for photopositives, which is constructed to be at the same time a stand-up or hanging frame or a component of an archive. The container has centering elements by means of which the uppermost picture of a stored pile is completely visible in the viewing window.
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