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经营范围
发明名称
Perfectionnements aux bêches, pelles et outils analogues
摘要
申请公布号
FR945959(A)
申请公布日期
1949.05.19
申请号
FRD945959
申请日期
1947.04.29
申请人
发明人
MARSH-HUNN ALFRED-ERNEST
分类号
A01B1/02
主分类号
A01B1/02
代理机构
代理人
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