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Individual
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Individual
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Priority claimed from GB129071Aexternal-prioritypatent/GB1383011A/en
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of CA973373ApublicationCriticalpatent/CA973373A/en
CA132,145A1971-01-111972-01-11Method of and device for producing and protecting deposits of sedimentary material on floors of bodies of water
ExpiredCA973373A
(en)