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发明名称
摘要
申请公布号
FR2131924(A3)
申请公布日期
1972.11.17
申请号
FR19710031067
申请日期
1971.08.26
申请人
KROLL FB AS,DK
发明人
分类号
B66C13/00;B66D3/04;(IPC1-7):B66D3/00
主分类号
B66C13/00
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代理人
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