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发明名称
A new or improved bearing construction for laterallywithdrawable rollers
摘要
申请公布号
GB667379(A)
申请公布日期
1952.02.27
申请号
GB19490003606
申请日期
1949.02.10
申请人
JOHN WOOD ARMSTRONG
发明人
分类号
B41F13/20;F16C13/02
主分类号
B41F13/20
代理机构
代理人
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