Grammophone record sleeve

作者: Gabriella Hagelberg

DOI:

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摘要: Grammophone record sleeve made of thin material as paper or cardboard and comprising a first section second (13), which sections are connected to each other intended store the (9) in between them have such size shape that they substantially cover same. The is surface electrically conducting at least on part surfaces by storing grammophone will be contact with sides thereof one (8) so positioned it presumably get hand person handling for insertion extraction whereby said inner leading connection contact.

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