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发明名称
METHOD OF REINFORCING CORRUGATED PAPERBOARD
摘要
申请公布号
US3586564(A)
申请公布日期
1971.06.22
申请号
USD3586564
申请日期
1968.09.10
申请人
HOERNER WALDORF CORP.
发明人
JOHN C. BRACKETT
分类号
B31F1/28;(IPC1-7):B31F1/20
主分类号
B31F1/28
代理机构
代理人
主权项
地址
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