Device for removing mineral insulation thermocoupars, by removing the electric chain shielding
BR8502915A
Oxidizing agent in phosphoric reactors
BR8502266A
Device for centering internal probes in straight tubes in testing by parasite currents
BR8502265A
Process improvement for uranium recovery contained in humid phosphoric acid
BR8406252A
Carbonate elimination of phosphatic concentrates through reverse flotation
BR8402983A
Combined bacterial / chemical process of static mining leakage containing sulfets and recoverable values of metallic elements
BR8401731A
Homogenizing and mining divider-mhd.12
BR8401730A
Homogenizing and mining quarter-mhq 01
BR8201879A
Process for the production of uranium tetrafluoride and uranium hexafluoride
BR8106285A
Interface for recording and reading of digital data on cassette tape
BR8102429A
Process for the decontamination of zirconium in the recovery of uranium and molybdenum contained in soulfuric mineral leather
BR8005946A
Chemical process for the oxidation of mineral blends
BR8004996A
Chemical process for recovery of the uranium values contained in phosphoric bleach
BR8000206A
Chemical process for recovery of the values of uranium and molybdenum contained in sulfuric mineral leather
BR8000195A
Uranian hexafluoride production process
BR7905072A
Process for the separation of uranium and molybdenum from mining base
BR7905073A
Chemical process for the recovery of zirconium values contained in liquid waste from previous separation of uranium and molybdene of soulfuric mineral leather
