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Individual
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Individual
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Mejoras en los medios de calafatear las varillas y vástagos de las bombas, pistones y barras de las bombas, ya sean locomotoras, ya de máquinas fijas o de otras clases.
Mejoras en los medios de calafatear las varillas y vástagos de las válvulas, pistones y bombas, ya de locomotoras, ya de máquinas fijas o de otras clases.