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发明名称
Elektrisk Apparat med aftageligt anbragte, ensartede Dele.
摘要
申请公布号
DK53998(C)
申请公布日期
1937.12.13
申请号
DKD53998
申请日期
1935.03.20
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
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