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发明名称
Method of forming books
摘要
申请公布号
US2097888(A)
申请公布日期
1937.11.02
申请号
US19350016122
申请日期
1935.04.13
申请人
LEYERLE FRANK J
发明人
LEYERLE FRANK J.
分类号
B42B5/10;B42F3/04
主分类号
B42B5/10
代理机构
代理人
主权项
地址
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