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100 1 _aRoth, Bernhard M.
245 0 0 _aCurrent problems in the protection of inventions in the field of plant biotechnology :
_ba position paper
650 _aGewerblicher Rechtsschutz
_91786
650 _aBiotechnologie
_9462
773 0 _aIIC. 18(1987),1,41-55.
_wz_iic
999 _c10958
_d10958