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发明名称
Improvements in conveyor rollers
摘要
申请公布号
GB620913(A)
申请公布日期
1949.03.31
申请号
GB19470002995
申请日期
1947.01.31
申请人
WILLIAM HENRY LEAK;JOHN HURST
发明人
分类号
B65G39/09
主分类号
B65G39/09
代理机构
代理人
主权项
地址
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