74187711
Jul 23, 1991
Oct 20, 1992
printed exhibition guides and printed educational and informational materials used for conferences and trade shows on geographic information and spatial data technology products and services
Paper Goods and Printed Matterarranging and conducting trade shows and exhibitions in the field of identifying and analyzing problems regarding the processing of geographic information and management of spatial data
Advertising and Businessarranging and conducting educational conferences in the field of identifying and analyzing problems regarding geographic information and the management of spatial data
Education and Entertainment