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发明名称
DOCTOR FOR PAPER-MAKING MACHINERY
摘要
申请公布号
CA317318(A)
申请公布日期
1931.11.17
申请号
CAD317318
申请日期
申请人
VICKERYS LIMITED
发明人
FREDERICK WILLIAM VICKERY
分类号
主分类号
代理机构
代理人
主权项
地址
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