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发明名称
Copying agency
摘要
申请公布号
US1845568(A)
申请公布日期
1932.02.16
申请号
US19280273412
申请日期
1928.04.27
申请人
STRAWN ERVIN E
发明人
STRAWN ERVIN E.
分类号
B41M5/10
主分类号
B41M5/10
代理机构
代理人
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