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发明名称
Impression mechanism
摘要
申请公布号
US2148861(A)
申请公布日期
1939.02.28
申请号
US19350051824
申请日期
1935.11.27
申请人
TELEFONAKTIEBOLAGET L. M. ERICSSON
发明人
KALL ALFRED
分类号
B41J1/32
主分类号
B41J1/32
代理机构
代理人
主权项
地址
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