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经营范围
发明名称
FRICTION CATCH
摘要
申请公布号
CA643928(A)
申请公布日期
1962.07.03
申请号
CAD643928
申请日期
申请人
CARL E. HAFSTAD
发明人
CARL E. HAFSTAD
分类号
主分类号
代理机构
代理人
主权项
地址
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