Composite thermal insulation board

The utility model provides a composite thermal insulation board, it is including two -layer metal sheet and two -layer extrusion molding formula polystyrene heated board, two -layer extrusion molding formula polystyrene heat preservation plate holder is two -layer it is between the metal sheet, two...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ZHAO BINGQI
Format: Patent
Sprache:eng
Schlagworte:
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