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发明名称
Pamphlet binding back
摘要
申请公布号
US1893727(A)
申请公布日期
1933.01.10
申请号
US19310575721
申请日期
1931.11.18
申请人
BUCHAN TELEPHONE RECORDS COMPANY
发明人
BUCHAN HUGH G.
分类号
B42F11/02
主分类号
B42F11/02
代理机构
代理人
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