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经营范围
发明名称
HAND ID SYSTEM
摘要
申请公布号
US3576537(A)
申请公布日期
1971.04.27
申请号
USD3576537
申请日期
1968.12.05
申请人
POLAROID CORP.
发明人
RICHARD H. ERNST
分类号
B42D15/10;G07C9/00;(IPC1-7):G01B5/00;G01D7/10
主分类号
B42D15/10
代理机构
代理人
主权项
地址
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