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HELENE BERMANN NEE SAGALTCHIK
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HELENE BERMANN NEE SAGALTCHIK
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Application filed by HELENE BERMANN NEE SAGALTCHIKfiledCriticalHELENE BERMANN NEE SAGALTCHIK
Application grantedgrantedCritical
Publication of FR18959EpublicationCriticalpatent/FR18959E/fr
F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
F28F1/00—Tubular elements; Assemblies of tubular elements
F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
FR18959D1913-07-111914-03-03Perfectionnements dans la construction des radiateurs de voitures automobiles
ExpiredFR18959E
(fr)