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发明名称
Stock roll
摘要
申请公布号
US1990860(A)
申请公布日期
1935.02.12
申请号
US19330678503
申请日期
1933.06.30
申请人
EDWARD D. SCHIVE
发明人
ELLSWORTH IRA H. J.
分类号
B65H75/28
主分类号
B65H75/28
代理机构
代理人
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