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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ZAFRA PALOS FRANCISCO
Original Assignee
ZAFRA PALOS FRANCISCO
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Publication date
Application filed by ZAFRA PALOS FRANCISCOfiledCriticalZAFRA PALOS FRANCISCO
Priority to ES282483ApriorityCriticalpatent/ES282483A2/en
Publication of ES282483A2publicationCriticalpatent/ES282483A2/en
Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
Perfections introduced in the main patent no. 252,516 by a centrifugal machine to manufacture cement tubes, characterized by consisting of a mixing and safety rod, consisting of a U-shaped box piece that fits and fixes on the most wide of the irons u supports of the machine, forming between both parts, a spout of sliding channel, in which passes through supporting arms supporters of the rod that are fixed to the box piece by screws that is provided. (Machine-translation by Google Translate, not legally binding)
ES282483A1962-11-141962-11-14A centrifugal machine to manufacture cement tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES282483A2
(en)
Procedure for the preparation of N-4-chlorometilsulfonilfenil-n ', n'-dimetilurea. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of 4-4'-dioxy-difenil-2-2-pyridil-methane, as well as their derivatives, such as etheries and esters (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dialometilen-20-espirox-4-eno 3 oxygenate. (Machine-translation by Google Translate, not legally binding)