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发明名称
Mechanical page turner
摘要
申请公布号
US2484106(A)
申请公布日期
1949.10.11
申请号
US19460661031
申请日期
1946.04.10
申请人
AERONAUTICAL RESEARCH CORPORATION
发明人
MALLINA RUDOLPH F.
分类号
B42D9/04
主分类号
B42D9/04
代理机构
代理人
主权项
地址
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