TY  - GEN
T1  - Permanent Committee on Patent Information :Session of Subgroup K (Fourth revision of the IPC : Subclass C 07C) : Rijswijk, October 6-10, 1986.
LA  - eng
N1  - Rijswijk (ZH) : Netherlands;.
ID  - 18655
KW  - Patents.
KW  - Intellectual property.
KW  - WIPO AND UPOV DOCUMENTS : BIRPI : PERMANENT COMMITTEE FOR PATENT INFORMATION
TI  - Permanent Committee on Patent Information :Session of Subgroup K (Fourth revision of the IPC : Subclass C 07C) : Rijswijk, October 6-10, 1986.
ER  -