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Individual
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Individual
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Priority to ES86034ApriorityCriticalpatent/ES86034A1/en
Publication of ES86034A1publicationCriticalpatent/ES86034A1/en
ES86034A1923-07-031923-07-03
Acetylene generator of the so-called carbide introduction system, with equal pressure for welding burners.
ExpiredES86034A1
(en)