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发明名称
(B2) ;GAS MASK
摘要
申请公布号
PL233949(A2)
申请公布日期
1982.09.27
申请号
PL19810233949
申请日期
1981.11.20
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
WALCZYNSKI JAN;MEINHARDT BOLESLAW
分类号
A62B;A62B18/02;(IPC1-7):A62B/
主分类号
A62B
代理机构
代理人
主权项
地址
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