@article{23356,
      recid = {23356},
      title = {International Patent Classification},
      pages = {10 VOL (mult page) ;},
      note = {Vol 1 : ISBN 9280507915 : Section A : Human Necessities;  163p Vol 2 : ISBN 9280507923 : Section B : Performing  Operations; Transporting; 365p Vol 3 : ISBN 9280507931 :  Section C : Chemistry; Metallurgy; 281p Vol 4 : ISBN  928050794X : Section D : Textiles; Paper; 69p Vol 5 : ISBN  9280507958 : Section E : Fixed Constructions; 79p Vol 6 :  ISBN 9280507966 : Section F : Mechanical Engineering;  Lighting; Heating; Weapons; Blasting; 207p Vol 7 : ISBN  9280507974 : Section G : Physics; 181p Vol 8 : ISBN  9280507982 : Section H : Electricity; 159p Vol 9 : ISBN  9880507990 : Guide, Survey of Classes and Summary of Main  Groups; 338p Vol 10 : ISBN 9880508008 : Guide; 30p 2nd  copies of the set (vol. 1-10) are in Mrs. Langsdorff's  office.},
      url = {http://tind.wipo.int/record/23356},
}