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发明名称
AUTOMATIC GAS ISOLATION VALVE
摘要
申请公布号
GB8926339(D0)
申请公布日期
1990.01.10
申请号
GB19890026339
申请日期
1989.11.22
申请人
COLEMAN, CYRIL
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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