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发明名称
DREHSCHEIBE ZUM ABLESEN DER EMPFAENGNISMOEGLICHKEIT.
摘要
申请公布号
DE1668927(U)
申请公布日期
1953.12.24
申请号
DE195300R7502U
申请日期
1953.10.19
申请人
DR. MED. FRITZ ROEHRKOHL
发明人
DR. MED. FRITZ ROEHRKOHL
分类号
主分类号
代理机构
代理人
主权项
地址
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