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Application filed by Trinecke Zelezarny Statni PodnfiledCriticalTrinecke Zelezarny Statni Podn
Priority to CS69890ApriorityCriticalpatent/CS276114B6/en
Publication of CS9000698A2publicationCriticalpatent/CS9000698A2/en
Publication of CS276114B6publicationCriticalpatent/CS276114B6/en
CS69890A1990-02-141990-02-14Method for mutual connecting crossing frog made of austenitic manganese steel and rail produced from pearlitic steel
CS276114B6
(en)