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发明名称
Leaf binding device
摘要
申请公布号
US2206394(A)
申请公布日期
1940.07.02
申请号
US19380235381
申请日期
1938.10.17
申请人
FRANK F. FARKAS
发明人
FARKAS EMIL N.
分类号
B42B5/10
主分类号
B42B5/10
代理机构
代理人
主权项
地址
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