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发明名称
摘要
申请公布号
DD124032(A1)
申请公布日期
1977.02.02
申请号
DD19750189877
申请日期
1975.12.04
申请人
发明人
分类号
B65G39/07;(IPC1-7):B65G39/07
主分类号
B65G39/07
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代理人
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