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发明名称
피난용 마스크
摘要
내용 없음
申请公布号
KR840008591(A)
申请公布日期
1984.12.17
申请号
KR19840001712
申请日期
1984.03.31
申请人
null, null
发明人
후지누마 가쓰미(외2)
分类号
A62B18/04;A62B23/02
主分类号
A62B18/04
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