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发明名称
Perfectionnements aux ponts transportables plus particulièrement établis pour le passage des chars de combat et de matériel militaire de guerre
摘要
申请公布号
FR859277(A)
申请公布日期
1940.12.14
申请号
FRD859277
申请日期
1939.05.04
申请人
发明人
CODER JOSEPH
分类号
E01D15/127
主分类号
E01D15/127
代理机构
代理人
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