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ES1875005280A1875-03-221875-03-22Aparatos para uso en las bodegas, consistentes en bombas, grifos y sistema de cierre, para elaboracion de vinos
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Embarcação e sistemas de dessalinização móveis, métodos para a produção de água dessalinizada e mìdia que pode ser lida por computador que contém instruções
A Study on the Relationship Between the Teachers' Awareness of Teacher Leadership and Teachers' Professional Learning Communities in Junior High Schools in Tainan City