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发明名称
DENSITOMETER
摘要
申请公布号
US3542479(A)
申请公布日期
1970.11.24
申请号
USD3542479
申请日期
1968.02.05
申请人
BERKEY PHOTO INC.
发明人
DAN SIBALIS
分类号
G01J1/30;(IPC1-7):G01N21/06;E04G17/06
主分类号
G01J1/30
代理机构
代理人
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