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发明名称
LIGHT WEIGHT 30 MINUTE FIRE PROOF/STOP WOOD DOOR
摘要
申请公布号
GB9100246(D0)
申请公布日期
1991.02.20
申请号
GB19910000246
申请日期
1991.01.07
申请人
HACKER, DENNIS J
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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