DE2820045
BERNARD, JACQUES, SAINT-GERMAIN-EN- LAYE, HAZARD, JEAN-PIERRE, BEBIN, JEAN
Year of Publication 20.11.1980
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Year of Publication 20.11.1980
Patent
DE2820045
BERNARD, JACQUES, SAINT-GERMAIN-EN- LAYE, HAZARD, JEAN-PIERRE, BEBIN, JEAN
Year of Publication 27.03.1980
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Year of Publication 27.03.1980
Patent