Patent information services from the U.K. patent office
1992 ◽
Vol 14
(3)
◽
pp. 211
◽
1992 ◽
Vol 14
(3)
◽
pp. 190-194
◽
1994 ◽
Vol 16
(2)
◽
pp. 90-93
◽
Keyword(s):
2001 ◽
Vol 23
(3)
◽
pp. 287-293
◽
2001 ◽
Vol 23
(3)
◽
pp. 295-308
◽
1995 ◽
Vol 17
(2)
◽
pp. 115-123
◽