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发明名称
Perfectionnement aux grues orientables
摘要
申请公布号
FR688664(A)
申请公布日期
1930.08.27
申请号
FRD688664
申请日期
1930.01.22
申请人
发明人
PERBAL PIERRE
分类号
B66C23/84
主分类号
B66C23/84
代理机构
代理人
主权项
地址
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