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Heinrich Rudolf
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Individual
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Individual
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Publication of GB190607172ApublicationCriticalpatent/GB190607172A/en
7172. Rudolf, H. March 24. Stoppers, bail and lever. - A bail stopper a, of porcelain &c., is formed with a conical part a' and a cylindrical part c, the bottle neck b<1> being formed to correspond. The stopper a is grooved at r, to receive a narrow rubber washer d. For preserve and like bottles, jars, boxes, cases, &c., the external and internal diameter of the washer are made suitably larger.
GB190607172D1906-03-241906-03-24Improvements in and connected with Bottle Stoppers.
ExpiredGB190607172A
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