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发明名称
WEB CARTRIDGE AND SPOOL THEREFOR
摘要
申请公布号
GB1243804(A)
申请公布日期
1971.08.25
申请号
GB19680046097
申请日期
1968.09.27
申请人
BELL & HOWELL COMPANY
发明人
MAYNARD CHERBO GROSS
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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