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Ruhrchemie AG

Ruhrchemie
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2947797A Direct production of electrical energy from combustible fue… Expired / Lapsed 1957-05-14 1960-08-02 0 Details
US2889892A Lock for the discharge of solids separated from gaseous med… Expired / Lapsed 1957-07-02 1959-06-09 0 Details