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发明名称
摘要
申请公布号
FR2434109(B1)
申请公布日期
1981.02.13
申请号
FR19780023041
申请日期
1978.07.28
申请人
POTAIN
发明人
分类号
B66C23/32;B66C23/34;(IPC1-7):B66C23/34
主分类号
B66C23/32
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