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发明名称
METHOD AND DEVICE FOR MAKING AN EAR MOULD
摘要
申请公布号
EP0245742(B1)
申请公布日期
1991.01.23
申请号
EP19870106413
申请日期
1987.05.04
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
BIRKHOLZ, ULRICH
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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