Hollow commemorative handicraft and manufacturing method thereof

The invention relates to a hollow commemorative handicraft and a manufacturing method thereof. The preparation method comprises the following steps: rolling a metal raw material to obtain a metal sheet; the lining paper is sheared and stamped, and an inner blank is obtained; the inner blank is place...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CAI WENQIU, CHENG ZHIWEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
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