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US4328655A Method of manufacturing a packaged web product and apparatus therefor 失效
包装纸制品的制造方法及其装置

Method of manufacturing a packaged web product and apparatus therefor
摘要:
A method of manufacturing a packaged web product and apparatus therefor wherein superposed webs are compressed and while compressed webs pass through an open-ended forming device having a closed perimeter and simultaneously enveloping the compressed, superposed webs, and thereafter transversely severing the resultant product into identical units.
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