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Method and apparatus for stamping of grooves in information traeger of thermoplastic plastic films
Method and apparatus for stamping of grooves in information traeger of thermoplastic plastic films
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机译:在热塑性塑料薄膜的信息网格中冲压凹槽的方法和设备
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摘要
The film is supported over a negative mould while a gaseous pressure agent is used in a positive or press mould the required pressure and temperature being produced by a combustion process in the press mould itself.
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