O Cristal Oscilador: Industrialização do Quartzo no BrasilO Cristal Oscilador: Industrialização do Quartzo no Brasil1947Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1947DirectorHumberto MauroCinematographyJosé A. MauroStudioBrasil Vita FilmesOverviewDiscussionPopularNew0 takes · 0 hearts · 0 repliesWrite a ReviewNothing on the record yet. The first take opens the floor.