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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Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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Publication date
Application filed by Electrical Research Products IncfiledCriticalElectrical Research Products Inc
Application grantedgrantedCritical
Publication of FR713027ApublicationCriticalpatent/FR713027A/fr
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
B21C37/02—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR713027D1930-03-121931-03-11Procédé et appareil pour la production de minces films métalliques
ExpiredFR713027A
(fr)