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Benjamin WILLCOX
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20,198. Willcox, B., [Badische Anilin & Soda Fabrik]. Sept. 25. Hyposulphites.-Solid hyposulphites, such as the sodium salt, are separated from their solutions by means of ammonia-gas instead of by the salting process of Specification No. 19,762, A.D. 1899.
GB190820198D1908-09-251908-09-25Improvements in the Manufacture of Solid Hydrosulphites.
ExpiredGB190820198A
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