METHOL AND FILTER INSERT FOR CATVHING CONSTITUENTS INJURIOUS TO HEALTH OF FOUNDRY GAS FUMES
FAZEKAS,GEZA,HU, KOCSIS,LASZLONE,HU, PETROMAN,ERZSEBET,HU, SZABO,LASZLONE,HU
Year of Publication 28.03.1985
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Year of Publication 28.03.1985
Patent