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FU R BERGBAU und HU TTENBEDARF
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FU R BERGBAU und HU TTENBEDARF
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Application filed by FU R BERGBAU und HU TTENBEDARFfiledCriticalFU R BERGBAU und HU TTENBEDARF
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Publication of FR904131ApublicationCriticalpatent/FR904131A/en
Device for mechanically adjusting the position of parts of machines used in mines, etc., more especially that of the wear discs of blowing backfill machines