Fire -resistant stamp

The utility model discloses a fire -resistant stamp, including the fire -resistant stamp body, the length -width ratio of fire -resistant stamp body be 1.5: 1, fire -resistant stamp body upper surface middle part set up to image area, the fire -resistant stamp body set up all around the perforation,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MENG JUNYANG, YUAN BOWEN, ZHAO HONGZHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
Online-Zugang:	Volltext bestellen
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