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发明名称
Improvements in the production of tubing
摘要
申请公布号
GB569934(A)
申请公布日期
1945.06.14
申请号
GB19430018705
申请日期
1943.11.10
申请人
HEAD WRIGHTSON & COMPANY LIMITED;THOMAS GARMONDSWAY WRIGHTSON;NORMAN CECIL LAKE
发明人
分类号
B21C1/24
主分类号
B21C1/24
代理机构
代理人
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