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经营范围
发明名称
TRACTION DEVICE
摘要
申请公布号
CA558472(A)
申请公布日期
1958.06.10
申请号
CAD558472
申请日期
申请人
THOMAS F. KRUMM
发明人
THOMAS F. KRUMM
分类号
主分类号
代理机构
代理人
主权项
地址
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