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发明名称
Signature handling machine
摘要
申请公布号
US2253556(A)
申请公布日期
1941.08.26
申请号
US19390291662
申请日期
1939.08.24
申请人
MARTIN CHRISTENSEN
发明人
CHRISTENSEN MARTIN
分类号
B42C1/10
主分类号
B42C1/10
代理机构
代理人
主权项
地址
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