PROCESS FOR PREPARING A SPECIFIC PETROLEUM-SULPHONATE
KARPATI,ARPADNE,HU, DENES,FERENC,HU, FOELDES,ERNOE,HU, HUSZAR,MIKLOS,HU, BARHORY,JOZSEF,HU, KOVACS,GABOR,HU, PILL,KAROLY,HU, KANTOR,FERENC,HU
Year of Publication 28.07.1981
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Year of Publication 28.07.1981
Patent