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发明名称
Perfectionnements aux charrues balances
摘要
申请公布号
FR692086(A)
申请公布日期
1930.10.30
申请号
FRD692086
申请日期
1929.06.03
申请人
发明人
GIRAUDEAU ALEXANDRE-AUGUSTE-JU
分类号
A01B3/32
主分类号
A01B3/32
代理机构
代理人
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