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发明名称
X-ray apparatus
摘要
申请公布号
US2291139(A)
申请公布日期
1942.07.28
申请号
US19400364913
申请日期
1940.11.08
申请人
BORTHWICK CHARLES B
发明人
BORTHWICK CHARLES B.
分类号
G03B42/02
主分类号
G03B42/02
代理机构
代理人
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