METHOD FOR TURNING THREAD-JOINTED TUBINGS PARTICULARLY GAS CONDUITS COVERED IN BUILDINGS INTO GASTIGHT ONES
VASANITS,DEZSOE,HU, BALAZS,GYOERGYNE,HU, HERENDI,JOZSEF,HU, NAGY,MIKLOS,HU, SCHMIEDER,FERENC,HU, VIDA,MIKLOS,HU, CSIKOS,REZSOE,HU, GYALOG,ARPAD,HU, SZUECS,MIKLOS,HU, BALOGH,ANDRAS,HU, HOMOR,LASZLO,HU
Year of Publication 28.09.1979
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Year of Publication 28.09.1979
Patent