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Maher I. Boulos,Pierre Fauchais,Emil Pfender the possibility of differentiation between paper samples of the same type but of a different age. Samples of office paper from different manufacturers artificially aged in a climatic chamber for various periods of time were examined by the use of infrared and Raman spectroscopy. The possibility of哭得清醒了 发表于 2025-3-29 15:02:15
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mployees. The third part deals with the relationship between companies and clients. The fourth part of the book studies business-to-business relationships, addressing the educational sector, restaurants, and mi978-3-030-68562-1978-3-030-68560-7正常 发表于 2025-3-29 23:52:17
https://doi.org/10.1007/978-1-349-22777-8constitution; defence policy; nationalism; PolicyAbsenteeism 发表于 2025-3-30 04:17:07
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