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发明名称
Poutre
摘要
申请公布号
FR1408312(A)
申请公布日期
1965.08.13
申请号
FR19640980315
申请日期
1964.07.01
申请人
发明人
RATEAU ALEXIS
分类号
B66C6/00;E04C3/04;E04C3/07
主分类号
B66C6/00
代理机构
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