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发明名称
摘要
申请公布号
GB1302356(A)
申请公布日期
1973.01.10
申请号
GB19700021324
申请日期
1970.05.04
申请人
发明人
分类号
B65H49/04;B65H67/02;B65H67/06;(IPC1-7):B65H67/02;B65H49/00
主分类号
B65H49/04
代理机构
代理人
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