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Procedeu de fabricare a negrului de fum

RO74164A

Romania

Other languages
English
French
Romanian
Inventor
Mark M Mednikov
Dimitry I Ryabinkov
Serger V Orekhov
Juri N Nikitin
Vladimir M Osipov
Viktor M Shopin
Iosif C Zaidman
German N Sadovnichuk

Worldwide applications
1976 SU 1977 PT DD RO PL CS

Application RO7791886A events