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发明名称
Hectograph blanket and method of treating same
摘要
申请公布号
US2294384(A)
申请公布日期
1942.09.01
申请号
US19410405406
申请日期
1941.08.04
申请人
DITTO, INCORPORATED
发明人
CHAMPION WILLIAM J.
分类号
B41M5/08
主分类号
B41M5/08
代理机构
代理人
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地址
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