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发明名称
Corrugated paper machine
摘要
申请公布号
US2680996(A)
申请公布日期
1954.06.15
申请号
US19510254691
申请日期
1951.11.03
申请人
PACKAGING MATERIALS CORP.
发明人
BROWN PAUL
分类号
D21J3/00
主分类号
D21J3/00
代理机构
代理人
主权项
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