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发明名称
TRENCHING PLOUGH
摘要
申请公布号
CA361179(A)
申请公布日期
1936.10.13
申请号
CAD361179
申请日期
申请人
ROBERT ELLIOTT BROCK;DANIEL FORSTER BROCK;GEORGE EDWARD BROCK
发明人
GEORGE EDWARD BROCK;DANIEL FORSTER BROCK;ROBERT ELLIOTT BROCK
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主分类号
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