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Priority claimed from IT26236/78Aexternal-prioritypatent/IT1097770B/en
Publication of NO840686LpublicationCriticalpatent/NO840686L/en
Application filed by Saipem SpafiledCriticalSaipem Spa
Priority to NO840686ApriorityCriticalpatent/NO160313C/en
Publication of NO160313BpublicationCriticalpatent/NO160313B/en
Publication of NO160313CpublicationCriticalpatent/NO160313C/en
NO840686A1978-07-281984-02-23
CLOSING AND PULLING HEADS FOR DEVICES FOR REARING ROOMS WHICH ARE COATED WITH CONCRETE AND ARE MADE AT GREAT SEA DEPTH.
NO160313C
(en)