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发明名称
DITCH PLOUGH
摘要
申请公布号
CA395787(A)
申请公布日期
1941.04.15
申请号
CAD395787
申请日期
申请人
RONALDO CLOUTIER
发明人
RONALDO CLOUTIER
分类号
主分类号
代理机构
代理人
主权项
地址
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