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发明名称
Устройство для измерения прозрачности воздуха
摘要
申请公布号
SU73394(A1)
申请公布日期
1947.11.30
申请号
SU19460344898
申请日期
1946.04.22
申请人
RITYN N.E.
发明人
RITYN N.E.
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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