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发明名称
Farbenhygroskop
摘要
申请公布号
DE512753(C)
申请公布日期
1930.11.17
申请号
DE1927B131186D
申请日期
1927.04.30
申请人
ROBERT S. BLAIR
发明人
分类号
G01N31/22
主分类号
G01N31/22
代理机构
代理人
主权项
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