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发明名称
Combined roller and spool mounting for paper machines
摘要
申请公布号
US2431856(A)
申请公布日期
1947.12.02
申请号
US19450571168
申请日期
1945.01.03
申请人
ZIEGLER JOHN A
发明人
ZIEGLER JOHN A.
分类号
D21F1/36
主分类号
D21F1/36
代理机构
代理人
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地址
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