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Title: French certificate of renewal for patent 922474 [Go to resource]
Description: For improvements relating to optical glasses License: http://creativecommons.org/licenses/by/2.0/uk/ Publisher: Sandwell Archives Rights holder: Sandwell Archives Subjects: Optical glass
Gorgeous GlassTemporal: 1957 Source: Black Country History Creator: Chance Brothers Identifier: http://www.blackcountryhistory.org/colle... Go to resource More Like this...
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