Legal document storage safety device

The invention provides a legal document storage safety device. In the legal field, various types of magnetized recording data including voice tapes, video tapes, magnetic disks, disks, soft disks, USB (Universal Serial Bus) flash disks, CDs (Compact Disc) and the like are more and more, and a common...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: DU ZHONGLIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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