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发明名称
ΜΕΘΟΔΟΣ ΔΙΑ ΤΗΝ ΛΗΨΙΝ ΚΑΙ ΑΠΟΔΟΣΙΝ ΑΚΟΥΣΤΙΚΩΝ ΦΑΙΝΟΜΕΝΩΝ.
摘要
申请公布号
GR9775(B)
申请公布日期
1942.02.09
申请号
GR19410109775
申请日期
1941.05.05
申请人
FRIES GUSTAV
发明人
FRIES GUSTAV
分类号
主分类号
代理机构
代理人
主权项
地址
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