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发明名称
Bookkeeping arrangement for loose leaf bookkeeping
摘要
申请公布号
GB477718(A)
申请公布日期
1938.01.05
申请号
GB19360027326
申请日期
1936.10.08
申请人
ALFRED SCHLAEPFER
发明人
分类号
B41L3/14
主分类号
B41L3/14
代理机构
代理人
主权项
地址
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