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发明名称
Противопыльный респиратор
摘要
申请公布号
SU35972(A1)
申请公布日期
1934.04.30
申请号
SU19290041489
申请日期
1929.02.25
申请人
PAVLOV A.I.
发明人
PAVLOV A.I.
分类号
A62B7/10
主分类号
A62B7/10
代理机构
代理人
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地址
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