DE1900151
WITINSKI, FRANCIS DAVID, ROCHESTER, TWIST, HENRY A., ROCHESTER, GOODRICH, WARD ROBERT, WEBSTER, PEASE, DONALD LINUS, MARION
Year of Publication 18.09.1980
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Year of Publication 18.09.1980
Patent
DE1900151
WITINSKI, FRANCIS DAVID, ROCHESTER, N.Y., US, GOODRICH, WARD ROBERT, WEBSTER, N.Y., US, TWIST, HENRY A., ROCHESTER, N.Y., US, PEASE, DONALD LINUS, MARION, US
Year of Publication 23.07.1981
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Year of Publication 23.07.1981
Patent