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发明名称
Method for manufacturing impulse cams for dials
摘要
申请公布号
US2921482(A)
申请公布日期
1960.01.19
申请号
US19570659555
申请日期
1957.05.16
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
SOHLBERG CARL OSCAR
分类号
F16H53/00;H04M1/31
主分类号
F16H53/00
代理机构
代理人
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