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发明名称
Blank registering device
摘要
申请公布号
US2249505(A)
申请公布日期
1941.07.15
申请号
US19390293553
申请日期
1939.09.06
申请人
WARD DAVIDSON WILLIAM
发明人
DAVIDSON WILLIAM WARD
分类号
B65H9/00;B65H9/10
主分类号
B65H9/00
代理机构
代理人
主权项
地址
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