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经营范围
发明名称
Web winding mandrel
摘要
申请公布号
US2931590(A)
申请公布日期
1960.04.05
申请号
US19560627347
申请日期
1956.12.10
申请人
PAPER CONVERTING MACHINE CO., INC.
发明人
NYSTRAND ERNST DANIEL
分类号
B65H18/10;B65H19/22;B65H75/08
主分类号
B65H18/10
代理机构
代理人
主权项
地址
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