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发明名称
NON-SPROCKETED MICROFILM STEPPING DEVICE
摘要
申请公布号
CA811868(A)
申请公布日期
1969.04.29
申请号
CAD811868
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JAMES B. MONEY
分类号
主分类号
代理机构
代理人
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