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发明名称
Improvement in dental x-ray film packages
摘要
申请公布号
GB488677(A)
申请公布日期
1938.07.12
申请号
GB19370020934
申请日期
1937.07.28
申请人
JACOB WILLIAM FRANKEL
发明人
分类号
G03C3/00
主分类号
G03C3/00
代理机构
代理人
主权项
地址
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