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经营范围
发明名称
Improvements in or relating to metal extrusion machines
摘要
申请公布号
GB495214(A)
申请公布日期
1938.11.09
申请号
GB19370018206
申请日期
1937.06.30
申请人
CALLENDER'S CABLE AND CONSTRUCTION COMPANY LIMITED;GEORGE THOMAS WILSON GRIEVE
发明人
分类号
B21C23/30
主分类号
B21C23/30
代理机构
代理人
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地址
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