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发明名称
Bookbinding
摘要
申请公布号
US1908109(A)
申请公布日期
1933.05.09
申请号
US19310555470
申请日期
1931.08.06
申请人
MCMILLAN BOOK COMPANY
发明人
BOLTON FLOYD G.
分类号
B42C7/00
主分类号
B42C7/00
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代理人
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