UNITED-STATES PATENT CLASSIFICATION-SYSTEM

被引：4

作者：

DOOD, KJ

机构：

来源：

关键词：

D O I：

10.1109/TPC.1979.6500289

中图分类号：

G2 [信息与知识传播];

学科分类号：

05 ; 0503 ;

摘要：

引用

页码：95 / 100

页数：6

共 50 条

[21] UNITED-STATES PATENT AWARDS
ANDERSON, A
NATURE, 1990, 344 (6262) : 94 - 94
[22] UNITED-STATES PATENT PRODUCTIVITY
ADLER, SF
FANG, HHP
RESEARCH MANAGEMENT, 1986, 29 (05): : 29 - 35
[23] COAL RESOURCE CLASSIFICATION-SYSTEM OF THE UNITED-STATES-GEOLOGICAL-SURVEY
WOOD, GH
KEHN, TM
CARTER, MD
CULBERTSON, WC
GEOLOGICAL SURVEY CIRCULAR, 1983, (891): : 1 - 65
[24] RE - THE UNITED-STATES PATENT OFFICE
MAKARA, F
JOURNAL OF THE PATENT OFFICE SOCIETY, 1956, 38 (04): : 291 - 294
[25] UNITED-STATES CHALLENGE TO AZT PATENT
ANDERSON, C
NATURE, 1991, 349 (6305) : 93 - 93
[26] UNITED-STATES JAPANESE PATENT PROTECTION
MARN, LE
CHEMICAL & ENGINEERING NEWS, 1993, 71 (21) : 3 - 3
[27] AIDS - UNITED-STATES PATENT FOR MONTAGNIER
EZZELL, C
NATURE, 1989, 340 (6231) : 253 - 253
[28] UNITED-STATES PLANT PATENT DISPUTED
不详
NATURE, 1982, 298 (5877) : 782 - 782
[29] CLAIMS UNITED-STATES PATENT FILES
RADUAZO, DM
GOVERNMENT PUBLICATIONS REVIEW, 1986, 13 (02): : 277 - 286
[30] EVALUATING THE VALIDITY OF A UNITED-STATES PATENT
SILVERMAN, AB
JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 1990, 42 (07): : 46 - 46