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Dispositivo polarizador para microscopios, de especial aplicación a gemología, caracterizado porque está constituido por dos elementos polarizadores de la luz acoplados para poder girar solidariamente, de manera que el objeto a observar quede comprendido entre dichos elementos polarizadores y en el camino del haz de luz polarizada y analizada observable a través del microscopio.
ES1971167304U1971-03-271971-03-27Dispositivo polarizador para microscopios.
ExpiredES167304Y
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