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经营范围
发明名称
Intumescent ventilator
摘要
申请公布号
GB2334675(A)
申请公布日期
1999.09.01
申请号
GB19990003967
申请日期
1999.02.23
申请人
LAURENCE KEITH * KOVACS
发明人
LAURENCE KEITH * KOVACS
分类号
A62C2/06;(IPC1-7):A62C2/06
主分类号
A62C2/06
代理机构
代理人
主权项
地址
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