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Retrosil Trademarks
RETROSIL
Providing Removal of Polychlorinated Biphenyls from Transformers and Transformer Fluids Through Filtration
Cancelled
·
July 26, 1983
·
73436358
·
RETROSIL
A SYSTEM TO DECONTAMINATE TRANSFORMERS FILLED WITH COOLANTS CONTAINING PCBS, WHICH SYSTEM INCLUDES THE REMOVAL AND REFILLING OF THE TRANSFORMERS
Abandoned
·
July 26, 1983
·
73436357
·
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