73622502
Sep 29, 1986
Sep 29, 1987
TELEPHONE AND BUSINESS DIRECTORIES AND EDUCATIONAL BOOKS AND PAMPHLETS IN TELECOMMUNICATIONS SKILLS AND THE USE OF TELECOMMUNICATIONS EQUIPMENT AND SERVICES
Paper Goods and Printed MatterINSTALLING AND MAINTAINING TELECOMMUNICATIONS SYSTEMS AND EQUIPMENT FOR OTHERS
Building Construction and RepairDESIGNING AND ENGINEERING TELECOMMUNICATIONS SYSTEMS AND EQUIPMENT FOR OTHERS AND RELATED CONSULTING SERVICES
Computer and Scientific