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Rosin Resin Sloss - Sor 422
Rosin Resin Sor 422 ni acide maneki, uzwi kandi nka vehyded acide maneki. Nibintu bikomeye byateguwe ukoresheje reaction ya rosin na aside missique yahinduwe yongeyeho rosin achydride ya maliki
Rosin Resin Sor 422 ni acide maneki, uzwi kandi nka vehyded acide maneki. Nibintu bikomeye byateguwe ukoresheje reaction ya rosin na aside missique yahinduwe yongeyeho rosin achydride ya maliki