DE2221384
GOOSWILLIGEN, GERRIT VAN, SCHMIDT, JOHANN HEINRICH FRIEDRICH DIEDERICH, AMSTERDAM, NL
Year of Publication 04.11.1982
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Year of Publication 04.11.1982
Patent
DE2321172
GOOSWILLIGEN, GERRIT VAN, JENNER, PETER, BRAMLEY, SURREY, GB, SCHMIDT, JOHANN HEINRICH FRIEDRICH DIEDERICH, AMSTERDAM, NL, THIJE, PIETER ANTONIE TEN, DEN HAAG, NL
Year of Publication 08.09.1983
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Year of Publication 08.09.1983
Patent