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发明名称
Improvements in or relating to a substructure for a mast
摘要
申请公布号
GB690526(A)
申请公布日期
1953.04.22
申请号
GB19510012448
申请日期
1951.05.28
申请人
LEE C. MOORE CORPORATION
发明人
WOOLSLAYER HOMER JOSEPH;JENKINS CECIL;IDDINGS CHARLES DEWEY
分类号
E21B15/00
主分类号
E21B15/00
代理机构
代理人
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地址
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