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发明名称
Med förstärkningsring försedd rörformig stuts för utandningsventil på skyddsmask
摘要
申请公布号
FI19523(A)
申请公布日期
1943.03.10
申请号
FID19523
申请日期
1937.11.13
申请人
AUERGESELLSCHAFT AG
发明人
SEIDL JOSEF
分类号
A62B18/04;(IPC1-7):A62B18/04
主分类号
A62B18/04
代理机构
代理人
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