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发明名称
Dental X-ray film holder
摘要
申请公布号
US2688096(A)
申请公布日期
1954.08.31
申请号
US19520291736
申请日期
1952.06.04
申请人
GALLIANO MARIO R;HITCHEN WILLIAM J
发明人
GALLIANO MARIO R.;HITCHEN WILLIAM J.
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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