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BR9905849A
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Improvements introduced in vertical lime kiln structure
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BR9903754A
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Ceramic coating on the side of the grill car
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BR9903755A
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Ceramic grill for grill car
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BR8502496A
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Concrete for refractory coating for burning solid combustible waste
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BR8502490A
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Improvement in fixed and sliding plates of the drawer valve in use in pulleys and foundries
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BR8502072A
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Removable cylinder support pillars for the cement of carbon electrodes for electric ovens
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BR8502073A
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Improvements in the dryer of peels, carocks and fruit baggets for their processing in animal feed
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BR8502007A
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Aluminum porous ring for the inert gas injection in fixed plate in the steel pot drawer valve system in status fusion status in continuous language
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BR8502006A
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Refractory brick
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BR8502005A
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Injector launch of reactive poss in steel in state of fusion, in benefit and contained in pans
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BR8204879A
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Improvement in steel refining
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