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发明名称
Dental X-ray film holder
摘要
申请公布号
US2786947(A)
申请公布日期
1957.03.26
申请号
US19560573007
申请日期
1956.03.21
申请人
LIEBERMAN HEIMAN G
发明人
LIEBERMAN HEIMAN G.
分类号
G03B42/04
主分类号
G03B42/04
代理机构
代理人
主权项
地址
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