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发明名称
IMPROVEMENTS IN OR RELATING TO COVERS
摘要
申请公布号
GB9224769(D0)
申请公布日期
1993.01.13
申请号
GB19920024769
申请日期
1992.11.26
申请人
INFRA THERM LIMITED
发明人
分类号
A61F7/00;A61F7/02
主分类号
A61F7/00
代理机构
代理人
主权项
地址
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