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发明名称
Photometrische Einrichtung zur Messung des Durchlassgrades der freien Atmosphaere und anderer durchsichtiger Medien
摘要
申请公布号
DE1422240(A1)
申请公布日期
1969.06.12
申请号
DE19611422240
申请日期
1961.09.11
申请人
SCHWARZ GEB. VAN LOOK,ERNA
发明人
分类号
G01N21/53
主分类号
G01N21/53
代理机构
代理人
主权项
地址
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