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Priority claimed from JP7255506Aexternal-prioritypatent/JP3067089B2/ja
Application filed by Yasutsune MiharafiledCriticalYasutsune Mihara
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Publication of TW290459BpublicationCriticalpatent/TW290459B/zh
Microparticulas que contienen gas, medios que contienen el ultimo, su uso en diagnosis ultrasonica, tambien como procesos para la produccion de las particulas y los medios.