Packaging box with heat preservation structure

The packaging box with the heat preservation structure comprises a packaging box body, a cover plate is arranged above the packaging box body, annular installation grooves are downwards formed in the periphery of the upper portion of the packaging box body, a fixing ring is fixed to the peripheral s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHENG MEIXIANG, LIU MING, SUN ZHIHUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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