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发明名称
Safety arrangement for x-ray apparatus
摘要
申请公布号
US2492281(A)
申请公布日期
1949.12.27
申请号
US19450585472
申请日期
1945.03.29
申请人
HALL MARVIN F
发明人
HALL MARVIN F.
分类号
A61B6/10;G21K1/10
主分类号
A61B6/10
代理机构
代理人
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地址
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