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发明名称
IMPROVEMENTS IN OR RELATING TO CORE SPACERS
摘要
申请公布号
GB1292886(A)
申请公布日期
1972.10.18
申请号
GB19700022951
申请日期
1970.05.12
申请人
NORPRINT LIMITED
发明人
JOHN EDWARD HART
分类号
B65H19/26;B65H19/30;B65H75/00
主分类号
B65H19/26
代理机构
代理人
主权项
地址
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