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Files for documents, pamphlets and the like
摘要
申请公布号
US3298374(A)
申请公布日期
1967.01.17
申请号
US19640398961
申请日期
1964.09.24
申请人
ERIK GRUNDELL CARL
发明人
GRUNDELL CARL ERIK
分类号
B42F13/00;B42F15/00;B42F15/02;B42F21/06
主分类号
B42F13/00
代理机构
代理人
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