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Application filed by Bosch Gmbh RobertfiledCriticalBosch Gmbh Robert
Publication of BE533173ApublicationCriticalpatent/BE533173A/fr
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D5/00—Lining shafts; Linings therefor
E21D5/11—Lining shafts; Linings therefor with combinations of different materials, e.g. wood, metal, concrete
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Engineering & Computer Science
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Life Sciences & Earth Sciences
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Mining & Mineral Resources
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Wood Science & Technology
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Mechanical Engineering
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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Geology
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BE533173A1953-11-101954-11-09Dispositif de commutation pour la commande de moteurs electriques de lancement pour moteurs a combustion a deux temps.
BE533173A
(fr)