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universal indbindning with an objection glued back to bundles of documents
universal indbindning with an objection glued back to bundles of documents
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机译:普遍反对,将反对意见重新粘贴到文件包中
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摘要
Universal paper file with inside glued back for bundling documents, of the type consisting of a front cover, a back cover and a back, which at the inside contains a glue layer made of a sort of thermosetting glue, characterized thereby that both the glue of said glue layer and the back of the paper file are made of materials that upon thermal activation enter into a chemical reaction, which provides a mutual per manent bond.
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