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Expired
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Victor Gretsch
Albert Henning
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Individual
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Individual
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Publication of GB190602978ApublicationCriticalpatent/GB190602978A/en
2978. Gretsch, V., and Henning, A. Feb. 7. Stoppers.-A bottle a, for ethyl chloride &c., is formed with a bulb b at the base of the neck c. The stopper d, which is provided with a rubber washer g, is held on the neck by the engagement of spring arms f with the bulb b.
GB190602978D1906-02-071906-02-07Improvements in and relating to Stoppers for Ethyl-chloride Receptacles and the like
ExpiredGB190602978A
(en)