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发明名称
Improvements in or relating to an Expanding Mandrel and a method for Winding or Unwinding Materials
摘要
申请公布号
GB1170649(A)
申请公布日期
1969.11.12
申请号
GB19670052225
申请日期
1967.11.16
申请人
POLYTYPE AKTIENGESELLSCHAFT
发明人
分类号
B65H75/24
主分类号
B65H75/24
代理机构
代理人
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