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经营范围
发明名称
ASBESTOS FRICTION ELEMENT
摘要
申请公布号
CA321631(A)
申请公布日期
1932.04.19
申请号
CAD321631
申请日期
申请人
THE CANADIAN RAYBESTOS COMPANY
发明人
LESTER KIRSCHBRAUN
分类号
主分类号
代理机构
代理人
主权项
地址
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