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发明名称
Colorimètre philatélique
摘要
申请公布号
FR907856(A)
申请公布日期
1946.03.25
申请号
FRD907856
申请日期
1944.05.23
申请人
发明人
DEMOUSSY GEORGES
分类号
G01N21/29
主分类号
G01N21/29
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代理人
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