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发明名称
Visible index or record strip
摘要
申请公布号
US2385082(A)
申请公布日期
1945.09.18
申请号
US19420452245
申请日期
1942.07.24
申请人
ACME VISIBLE RECORDS, INC.
发明人
HOPKINS HARRY J.
分类号
G09D1/00
主分类号
G09D1/00
代理机构
代理人
主权项
地址
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