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发明名称
Improvements relating to drawbenches
摘要
申请公布号
GB830485(A)
申请公布日期
1960.03.16
申请号
GB19570021507
申请日期
1957.07.08
申请人
SIR JAMES FARMER NORTON & CO. LIMITED
发明人
STELL JOHN ERNEST
分类号
B21C1/28
主分类号
B21C1/28
代理机构
代理人
主权项
地址
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