73704568
Jan 11, 1988
Sep 5, 1989
COMPUTERIZED DATA RETRIEVAL SERVICES IN THE FIELD OF TECHNICAL INFORMATION ON ENGINEERED MATERIALS
Advertising and BusinessORGANIZING AND CONDUCTING TRAINING SEMINARS AND COURSES ON TECHNICAL SUBJECTS ABOUT ENGINEERED MATERIALS AND PUBLICATION SERVICES NAMELY, COLLECTING AND DISSEMINATING TECHNICAL INFORMATION ON ENGINEERED MATERIALS AND PREPARATION OF HOME STUDY COURSES ON ENGINEERED COMPOSITE MATERIALS
Education and Entertainment