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发明名称
HAND-PROPELLED AND HAND-STEERED VEHICLES
摘要
申请公布号
CA296818(A)
申请公布日期
1930.01.21
申请号
CAD296818
申请日期
申请人
WILLIAM JAMES ROBERTSON
发明人
WILLIAM JAMES ROBERTSON
分类号
主分类号
代理机构
代理人
主权项
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