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发明名称
摘要
申请公布号
DD96052(A1)
申请公布日期
1973.03.12
申请号
DD19720161655
申请日期
1972.03.20
申请人
发明人
分类号
B65G67/02;(IPC1-7):B65G67/02
主分类号
B65G67/02
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代理人
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