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发明名称
TRACTOR DEVICE
摘要
申请公布号
CA410184(A)
申请公布日期
1943.01.26
申请号
CAD410184
申请日期
申请人
ROSS WILLIAM PHELPS
发明人
ROSS WILLIAM PHELPS
分类号
主分类号
代理机构
代理人
主权项
地址
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