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
F28F1/14—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 and extending longitudinally
F28F1/22—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 and extending longitudinally the means having portions engaging further tubular elements
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Thermal Sciences
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Mechanical Engineering
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General Engineering & Computer Science
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Heat-Exchange Devices With Radiators And Conduit Assemblies
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Dispositif de calage antivibratoire et composants d'une installation et en particulier barres antivibratoires de calage des tubes d'un générateur de vapeur
Procédé mécanique d'enrobage continu d'une bande, dispositif pour la mise en oeuvre de ce procédé, bande enrobée résultant de ce procédé et utilisation de cette bande pour la fabrication de crochets de chéneaux
Procede de fabrication de chevilles destinees a l'ancrage dans le sol, en particulier de poteaux ou piquets, et chevilles obtenues au moyen dudit procede
Procédé de fabrication par emboutissage de pièces métalliques rigides destinées à constituer des revêtement de calorifuge de tuyauteries, des gaines et d'autres organes similaires