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Publication date
Application filed by Polak Josef, Josef MrazekfiledCriticalPolak Josef
Priority to CS868250ApriorityCriticalpatent/CS259432B1/en
Publication of CS825086A1publicationCriticalpatent/CS825086A1/en
Publication of CS259432B1publicationCriticalpatent/CS259432B1/en
CS868250A1986-11-141986-11-14
Involvement to eliminate interference of underground line structures in separate cathodic protection systems
CS259432B1
(en)