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经营范围
发明名称
Breathing protector
摘要
申请公布号
GB835200(A)
申请公布日期
1960.05.18
申请号
GB19580039007
申请日期
1958.12.03
申请人
LEO BAER
发明人
分类号
A62B18/04
主分类号
A62B18/04
代理机构
代理人
主权项
地址
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