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