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发明名称
Improvements relating to letter-sheets and the like
摘要
申请公布号
GB394931(A)
申请公布日期
1933.07.06
申请号
GB19330006238
申请日期
1933.03.01
申请人
ANDERS GUSTAV SEBASTIAN LINDGREN
发明人
分类号
B42D15/08
主分类号
B42D15/08
代理机构
代理人
主权项
地址
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