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经营范围
发明名称
An improved winding core for paper rolls and the like
摘要
申请公布号
PHUM4992(Z)
申请公布日期
1982.08.27
申请号
PHUM5366U
申请日期
1979.01.16
申请人
发明人
分类号
B21C47/02;(IPC1-7):B21C47/02
主分类号
B21C47/02
代理机构
代理人
主权项
地址
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