RELIEF PLATE AND MANUFACTURE THEREOF

PURPOSE: To produce respectively small quantities of a relief plate, especially a different display plate, within a short time at low cost by making the shoulder of the apex part of a relief of a relief plate obtained from a photosensitive resin board be round. CONSTITUTION: As for a relief plate ma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKAHASHI KAZUO, OYOKU AKITADA, ARIKI TAKAMASA
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ALARM SYSTEMS APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES ORDER TELEGRAPHS PHYSICS PLANETARIA SEALS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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