ES71726A3 - Un sistema de taller de dragado submarino y de movimiento automático accionado por una disposición reptante a modo de oruga.
- Google Patents
Un sistema de taller de dragado submarino y de movimiento automático accionado por una disposición reptante a modo de oruga.
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ES71726A1919-12-151919-12-15Un sistema de taller de dragado submarino y de movimiento automático accionado por una disposición reptante a modo de oruga.
ExpiredES71726A3
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