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经营范围
发明名称
Improvements in densitometers
摘要
申请公布号
GB617418(A)
申请公布日期
1949.02.07
申请号
GB19450021181
申请日期
1945.08.20
申请人
KODAK LIMITED
发明人
分类号
G01J1/22
主分类号
G01J1/22
代理机构
代理人
主权项
地址
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