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发明名称
VENTILATED BUFFING WHEEL
摘要
申请公布号
CA481004(A)
申请公布日期
1952.02.12
申请号
CAD481004
申请日期
申请人
CANADIAN HANSON AND VAN WINKLE CO. LIMITED
发明人
VICTOR LLOYD RICHARDS
分类号
主分类号
代理机构
代理人
主权项
地址
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