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发明名称
IMPERMEABLE BARRIER/BULKHEAD
摘要
申请公布号
GB8522611(D0)
申请公布日期
1985.10.16
申请号
GB19850022611
申请日期
1985.09.12
申请人
HOPEWELL, P W
发明人
分类号
主分类号
代理机构
代理人
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