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发明名称
Method of binding books
摘要
申请公布号
US1972672(A)
申请公布日期
1934.09.04
申请号
US19330666020
申请日期
1933.04.13
申请人
R. R. DONNELLEY & SONS CO.
发明人
ALGER HARLEY C.
分类号
B42C11/04
主分类号
B42C11/04
代理机构
代理人
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