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经营范围
发明名称
APPARATUS FOR CODING FILM AND RETRIEVAL OF THE SAME
摘要
申请公布号
US3452344(A)
申请公布日期
1969.06.24
申请号
USD3452344
申请日期
1966.11.04
申请人
LESLIE M. SCHIPPERS
发明人
LESLIE M. SCHIPPERS
分类号
G03B21/11;G03B27/52;G06F7/22;(IPC1-7):G11B5/00
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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