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发明名称
Base for copying in loose leaf books
摘要
申请公布号
US2718413(A)
申请公布日期
1955.09.20
申请号
US19520290228
申请日期
1952.05.27
申请人
AKTIEBOLAGET GALCO
发明人
FRANSSON GEORG LEONARD;WINQVIST GUSTAV AKE LENNART
分类号
B41L3/20;B42D12/00
主分类号
B41L3/20
代理机构
代理人
主权项
地址
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