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发明名称
PAPERMAKING MACHINE SUCTION BOX WITH YIELDABLY BIASED COVER
摘要
申请公布号
US3649449(A)
申请公布日期
1972.03.14
申请号
USD3649449
申请日期
1970.01.27
申请人
OY TAMPELLA AB.
发明人
ERIK ALBERT NYKOPP
分类号
D21F1/48;D21F1/52;(IPC1-7):D21F1/52
主分类号
D21F1/48
代理机构
代理人
主权项
地址
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