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发明名称
RINGFOERMIGE ROENTGENROEHRE ZUR STRAHLUNGSKONZENTRATION.
摘要
申请公布号
DE1840027(U)
申请公布日期
1961.10.26
申请号
DE196000F8772U
申请日期
1960.07.04
申请人
DR. KARL FRITZ
发明人
DR. KARL FRITZ
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主分类号
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