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Priority to ES1559ApriorityCriticalpatent/ES1559A1/en
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ES1559A1881-04-091881-04-09
Improvements introduced in the preparation of magnesia for the extraction of ammonia from latrines and other uses.
ExpiredES1559A1
(en)
A procedure for making the mercury in windows or mirrors to acquire solidity by means of a preparation consisting of giving it one or more coats or layers of a varnish composed of rubbers, alcohols and essences.