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发明名称
Duplicator rolls
摘要
申请公布号
US1937790(A)
申请公布日期
1933.12.05
申请号
US19320593466
申请日期
1932.02.17
申请人
CHARLES H. JOY, SR.
发明人
SAUER LOUIS J.
分类号
B41L9/08
主分类号
B41L9/08
代理机构
代理人
主权项
地址
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