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Application filed by Vaclav Ing Csc Petricek, Milan Rndr Csc Odehnal, Rudolf Ing Tichy, Zdenek Rndr JanufiledCriticalVaclav Ing Csc Petricek
Priority to CS832032ApriorityCriticalpatent/CS234061B1/en
Publication of CS203283A1publicationCriticalpatent/CS203283A1/en
Publication of CS234061B1publicationCriticalpatent/CS234061B1/en
CS832032A1983-03-241983-03-24Measuring method of earth's electromagnetic variations and system of measuring stations for application of this method
CS234061B1
(en)