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Centre Technique Cuir Chaussure Maroquinerie

Centre Tec
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4451397A Method of preparing collagen products Expired / Lapsed 1982-11-22 1984-05-29 8 Details
US3873478A Polyurethane-protein composition and process for making same Expired / Lapsed 1973-07-30 1975-03-25 10 Details