ES133787A1 -
New improvements to join the two threads of a loop sealing them, seal and new useful for the implementation of this procedure.
- Google Patents
New improvements to join the two threads of a loop sealing them, seal and new useful for the implementation of this procedure.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES133787ApriorityCriticalpatent/ES133787A1/en
Publication of ES133787A1publicationCriticalpatent/ES133787A1/en
ES133787A1934-02-261934-02-26
New improvements to join the two threads of a loop sealing them, seal and new useful for the implementation of this procedure.
ExpiredES133787A1
(en)
PROCEDURE FOR THE PREPARATION OF HYDROXYCETONES AND NON-SATURATED DICETONES, AND MORE PARTICULARLY OF THE COMPOUNDS CALLED PREGNENOLONES AND PREGNENODIONS