000 00391naa a22001577c 4500
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100 1 _aHansson, Bo
700 1 _aMakarov, Mikhail
245 0 0 _aThe Sixth Edition of the IPC
650 _aInternationale Patentklassifikation
_92098
773 0 _aWPI. 17(1995),1,5-8.
_wz_WPI
999 _c3946
_d3946