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发明名称
PROTECTIVE MASK AND A CONTROL VALVE THEREFOR
摘要
申请公布号
IL34098(D0)
申请公布日期
1970.07.19
申请号
IL19700034098
申请日期
1970.03.18
申请人
DRAEGERWERK DRAEGER H & B
发明人
分类号
A62B18/02;A62B18/10
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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