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经营范围
发明名称
Respirator filter
摘要
申请公布号
GB2221844(A)
申请公布日期
1990.02.21
申请号
GB19890016457
申请日期
1989.07.19
申请人
* PROTECTOR SAFETY LIMITED
发明人
JOHN R * FEENEY
分类号
A62B23/02
主分类号
A62B23/02
代理机构
代理人
主权项
地址
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