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经营范围
发明名称
Expandable mandrel
摘要
申请公布号
US3052420(A)
申请公布日期
1962.09.04
申请号
US19610094602
申请日期
1961.03.09
申请人
AMERICAN VISCOSE CORPORATION
发明人
ROBERTS INGHAM S.
分类号
B65H54/54;B65H54/71;B65H65/00
主分类号
B65H54/54
代理机构
代理人
主权项
地址
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