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Research begins
Research begins, Total:5 items.
In the international standard classification, Research begins involves: .
CU-NC, Research begins
- NC 18-68-1987 Passengers and Goods Transportation. Urban Transportation. Procedure for Origin and Destination Study in the Suburbs
- NC 18-67-1987 Passengers and Goods Transportation. Urban Transportation. Procedure for Destination and Origin Study at Home
API - American Petroleum Institute, Research begins
International Telecommunication Union (ITU), Research begins