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经营范围
发明名称
Improvements in or relating to struts for use between steel mine arches and like constructional members
摘要
申请公布号
GB887644(A)
申请公布日期
1962.01.24
申请号
GB19560034597
申请日期
1956.11.13
申请人
JOHN MALE ODDIE;JOHN INGHAM & SONS LIMITED
发明人
分类号
E21D11/28
主分类号
E21D11/28
代理机构
代理人
主权项
地址
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