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发明名称
OHRBUEGEL ZUM ABHOEREN VON GERAEUSCHEN, INSBESONDERE FUER MEDIZINISCHE ZWECKE.
摘要
申请公布号
DE1737508(U)
申请公布日期
1957.01.10
申请号
DE195600Z4359U
申请日期
1956.08.30
申请人
HELMUT ZANKER
发明人
HELMUT ZANKER
分类号
主分类号
代理机构
代理人
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地址
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