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MARC A CHAVANNES
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MARC A CHAVANNES
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Priority to ES1967133594UpriorityCriticalpatent/ES133594Y/en
Publication of ES133594UpublicationCriticalpatent/ES133594U/en
Application grantedgrantedCritical
Publication of ES133594YpublicationCriticalpatent/ES133594Y/en
Cellular plastic laminate, characterized in that it comprises a first laminate having outer layers of plastic base material and an intermediate layer of gas-impermeable material, said first laminate having a plurality of reliefs emerging from one of its surfaces and a second laminate which it has a base layer and a layer of gas impervious material on one of its sides, the second laminate having the other side of its base material welded to the other side of the first laminate to form a plurality of sealed air cells. (Machine-translation by Google Translate, not legally binding)
PROCESS OF MANUFACTURING A THERMAL WELDABLE LAYERED MATERIAL, CONTAINING AT LEAST TWO LAYERS OF THERMOPLASTIC MATERIAL, AND THEREFORE MANUFACTURED LAYERED MATERIAL.
A method for obtaining an electrically semiconductor laminar material to form a screen layer on the electric cables. (Machine-translation by Google Translate, not legally binding)