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发明名称
Support, en forme de ruban, pour les enregistrements sonores mécanographiques
摘要
申请公布号
FR820935(A)
申请公布日期
1937.11.22
申请号
FRD820935
申请日期
1937.04.22
申请人
ROBERT BOSCH AKTIENGESELLSCHAFT
发明人
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
主权项
地址
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