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发明名称
MACHINE READABLE DOCUMENTS
摘要
申请公布号
US3531628(A)
申请公布日期
1970.09.29
申请号
USD3531628
申请日期
1967.05.25
申请人
GEORGE C. WHITE JR.
发明人
GEORGE C. WHITE JR.
分类号
G06K19/02;(IPC1-7):G06K19/08
主分类号
G06K19/02
代理机构
代理人
主权项
地址
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