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发明名称
DAYLIGHT X-RAY CASSETTE HAVING A WEIGHT TO IMPROVE FILM RELEASE
摘要
申请公布号
EP0242074(B1)
申请公布日期
1989.06.28
申请号
EP19870302682
申请日期
1987.03.27
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
JOHNSON, VAN BRUCE;NICOSIA, SALVATORE JOSEPH
分类号
G03B42/04
主分类号
G03B42/04
代理机构
代理人
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