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发明名称
JNSTRUMENTENSTAENDER, INSBESONDERE FUER ZAHNAERZTLICHE UND CHIRURGISCHE ZWECKE.
摘要
申请公布号
DE1637961(U)
申请公布日期
1952.05.08
申请号
DE194900D8152U
申请日期
1949.05.18
申请人
RITTER COMPANY, INC.
发明人
分类号
主分类号
代理机构
代理人
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