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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Salvat S A
Original Assignee
Salvat S A
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Application filed by Salvat S AfiledCriticalSalvat S A
Priority to ES406463ApriorityCriticalpatent/ES406463A3/es
Publication of ES406463A3publicationCriticalpatent/ES406463A3/es
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
ES406463A1972-09-071972-09-07Procedimiento y dispositivo para obtener mecanicamente un globo geografico rigido provisto de altorrelieves.
ExpiredES406463A3
(es)
Copolymeres d'alcenylsulfonates, membranes permeables selectivement auxcations a base de ces copolymeres et procede de preparation de membranes a permeabilite selective a partir de ces copolymeres