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发明名称
SOIL BREAKER
摘要
申请公布号
CA616934(A)
申请公布日期
1961.03.21
申请号
CAD616934
申请日期
申请人
DOUBLE J BREAKER CO.
发明人
FORREST A. JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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