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发明名称
RIBBON SPOOL
摘要
申请公布号
US3432021(A)
申请公布日期
1969.03.11
申请号
USD3432021
申请日期
1967.07.14
申请人
LITTON BUSINESS SYSTEMS INC.
发明人
JOSEPH L. MORELLI
分类号
B41J33/00;(IPC1-7):B41J33/14;B41J35/00;B65H75/18
主分类号
B41J33/00
代理机构
代理人
主权项
地址
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