TY  - GEN
AB  - Vol 1 : Section A : Human Necessities 143p Vol 2 : Section B : Performing Operations; Transporting 330p Vol 3 : Section C : Chemistry, Metallurgy 258p Vol 4 : Section D : Textiles; Paper 66p Vol 5 : Section E : Fixed Constructions 73p Vol 6 : Section F : Mechanical Engineering; Lighting; 187p Heating; Weapons; Blasting Vol 7 : Section G : Physics 157p Vol 8 : Section H : Electricity 143p Vol 9 : Guide, Survey of Classes and Summary of Main Groups 301p Vol 10 : Guide 31p See also Russian text (1984); Czech text (1979) 3rd ed; Polish text (1981) 3rd ed; Kept in the basement -3 with the Official Catchword Index;.
CN  - T255.F4
ET  - Fifth edition.
ID  - 18573
KW  - Patent literature.
KW  - Patents.
KW  - Intellectual property
KW  - PATENTS : INTERNATIONAL PATENT CLASSIFICATION (IPC)
KW  - Brevets d'invention
LA  - fre
N1  - Dt. Textausg. u.d.T.: Internationale Patentklassifikation.
N2  - Vol 1 : Section A : Human Necessities 143p Vol 2 : Section B : Performing Operations; Transporting 330p Vol 3 : Section C : Chemistry, Metallurgy 258p Vol 4 : Section D : Textiles; Paper 66p Vol 5 : Section E : Fixed Constructions 73p Vol 6 : Section F : Mechanical Engineering; Lighting; 187p Heating; Weapons; Blasting Vol 7 : Section G : Physics 157p Vol 8 : Section H : Electricity 143p Vol 9 : Guide, Survey of Classes and Summary of Main Groups 301p Vol 10 : Guide 31p See also Russian text (1984); Czech text (1979) 3rd ed; Polish text (1981) 3rd ed; Kept in the basement -3 with the Official Catchword Index;.
T1  - International patent classification.
TI  - International patent classification.
ER  -