共 50 条
- [47] TREATMENT OF PATENT INFORMATION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1972, 164 (AUG-S): : 24 - &
- [48] PATENT INFORMATION AND ELECTRONICS ELECTRONICS INFORMATION & PLANNING, 1995, 22 (11): : 559 - 570
- [49] PATENT INFORMATION SEARCHING NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 1-ORGANIZATSIYA I METODIKA INFORMATSIONNOI RABOTY, 1978, (11): : 16 - 16