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Individual
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Individual
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Priority to ES69800ApriorityCriticalpatent/ES69800A1/en
Publication of ES69800A1publicationCriticalpatent/ES69800A1/en
ES69800A1919-05-191919-05-19
Use of iron plate in the construction of the machine frames, joined by autogenous welding to replace the cast parts.
ExpiredES69800A1
(en)
Improvements made to reinforced soaps, in particular to those with a proper frame to allow them to be suspended, as well as to the supports for the latter