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发明名称
Paper novelty
摘要
申请公布号
US2335070(A)
申请公布日期
1943.11.23
申请号
US19400348474
申请日期
1940.07.30
申请人
LUHRS HENRY E
发明人
LUHRS HENRY E.
分类号
B31B3/00
主分类号
B31B3/00
代理机构
代理人
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