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发明名称
Perfectionnements aux appareils de mesure pour le charbon et les matières analoguesen grains ou en poudre
摘要
申请公布号
FR845131(A)
申请公布日期
1939.08.11
申请号
FRD845131
申请日期
1938.10.24
申请人
LEA RECORDER COMPANY LIMITED
发明人
LEA JAMES EDWARD
分类号
G01F15/07
主分类号
G01F15/07
代理机构
代理人
主权项
地址
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