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Dive into the research topics where Joseph Schapira is active.

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Featured researches published by Joseph Schapira.


Archive | 1985

Process for the treatment by chemical conversion of substrates of zinc or of one of its alloys, concentrate and bath used for performing this process

Joseph Schapira; Victor Ken; Francois-Joseph Duboys; Patrick Regnard


Archive | 1985

Process for the chemical-conversion treatment of zinc or its alloys, concentrate and bath for performing this process

Joseph Schapira; Victor Ken; Francois Joseph Duboys; Patrick Regnard


Archive | 1985

Method of zinc phosphatization, activation and refining bath used in said method and corresponding concentrate

Joseph Schapira; Victor Ken; Denis Thery; Stéphane Jelodin


Archive | 1985

Process for zinc phosphate coating, activation and grain refining bath used in this process and concentrate therefor

Joseph Schapira; Victor Ken; Denis Thery; Stéphane Jelodin


Archive | 1986

Regulation method for a chemical medium

Joseph Schapira; Victor Ken; Christian Hoessler


Archive | 1982

Processes of phosphating surfaces of iron and of steel with manganese

Joseph Schapira; Victor Ken; Jean C. Masson; Francois Joseph Duboys


Archive | 1980

PROCESS FOR CLEANING VEHICLES AND COMPOSITION THEREFOR

Joseph Schapira; Victor Ken; Patrick Hilaire; Alain Erkiet


Archive | 1983

Process for the treatment of phosphatized metal surfaces with a composition comprising trivalent titanium

Joseph Schapira; Victor Ken; Jean-Loup Dauptain


Archive | 1983

Composition and process for treating phosphated metallic surfaces

Joseph Schapira; Victor Ken; Jean-Loup Dauptain


Archive | 1986

Procédé de régulation de milieu chimique

Joseph Schapira; Victor Ken; Christian Hoessler

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L. Cot

École Normale Supérieure

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