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Title: United States of America letters patent 2431983 of Chance Brothers & Company for improvements in optical glasses [Go to resource]
Description: Includes specification British equivalent: 579243 Term: 17 years License: http://creativecommons.org/licenses/by/2.0/uk/ Publisher: Sandwell Archives Rights holder: Sandwell Archives Subjects: Optical glass
Gorgeous GlassTemporal: 1947 Source: Black Country History Creator: Chance Brothers Identifier: http://www.blackcountryhistory.org/colle... Go to resource More Like this...
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