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Petrocarb Trademarks
PETROCARB
CALCINATING APPARATUS
Expired
·
July 8, 1960
·
72100495
·
PETROCARBON
industrial chemical manufacturing plants sold as a unit
Cancelled
·
July 23, 1990
·
74080961
·
PETROCARBON
construction services in the field of chemical plants
Cancelled
·
July 23, 1990
·
74080960
·
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