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发明名称
Cover for suction box of paper machines
摘要
申请公布号
US2712776(A)
申请公布日期
1955.07.12
申请号
US19530374009
申请日期
1953.08.13
申请人
WAGENKNECHT ARTHUR P
发明人
WAGENKNECHT ARTHUR P.
分类号
D21F1/52
主分类号
D21F1/52
代理机构
代理人
主权项
地址
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