ES34329A1 - Un procedimiento para la fabricación mecánica de ladrillos y demás productos de alfarería con baño de carborundum o sea, carburo de silicio.
- Google Patents
Un procedimiento para la fabricación mecánica de ladrillos y demás productos de alfarería con baño de carborundum o sea, carburo de silicio.
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ES34329A1904-07-111904-07-11Un procedimiento para la fabricación mecánica de ladrillos y demás productos de alfarería con baño de carborundum o sea, carburo de silicio.
ExpiredES34329A1
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