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发明名称
ROLLER-BEARING SPINDLE
摘要
申请公布号
CA460606(A)
申请公布日期
1949.10.25
申请号
CAD460606
申请日期
申请人
HOFFMAN TWEEDALES LIMITED
发明人
JOHN LESLIE HILTON
分类号
主分类号
代理机构
代理人
主权项
地址
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