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发明名称
Gewichtsbelastete Spannrollenanordnung bei Antriebsvorrichtungen fuer umspulbare Lautschrifttraeger
摘要
申请公布号
DE641414(C)
申请公布日期
1937.01.30
申请号
DE1932E043392D
申请日期
1932.02.16
申请人
DR. JOSEF ENGL
发明人
分类号
G11B15/43
主分类号
G11B15/43
代理机构
代理人
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地址
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