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Title: "Portex" denture flask, patent no.1668/14, England, c.1955 [Go to resource]
Description: "Portex" denture flask, patent no.1668/14, England, c.1955 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1989-364 Go to resource More Like this...
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