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经营范围
发明名称
Heat activated safety fuse
摘要
申请公布号
GB9516902(D0)
申请公布日期
1995.10.18
申请号
GB19950016902
申请日期
1994.03.09
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B23/06;E21B43/1185;F42D1/04
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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