B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
B23K35/36—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
B23K35/3612—Selection of non-metallic compositions, e.g. coatings or fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
Nouveaux derives de pyrazolones et pyrazoles acides, leur procede de preparation, les nouveaux intermediaires obtenus, leur application a titre de medicaments et les compositions pharmaceutiques les renfermant
Nouveaux derives de pyrazoles acides, leur procede de preparation, leur application a titre de medicaments, leur nouvelle utilisation et les compositions pharmaceutiques les renfermant
Derives de l'acide cyclopropane carboxylique substitue en 3 par une chaine vinylique, leur preparation et les compositions parfumantes les renfermant.