Submarine cable manufacture, laying and maintenance turnover, and other estim...

The submarine cable chain includes cable making, laying, repair and maintenance. It is not identified as a sector in the French classification of economic activities. The...海底电缆产业链涵盖电缆制造、铺设、检修与运维。该产业链未被法国经济活动分类体系认定为独立行业门类。