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发明名称
Ringspaltmagnetsystem
摘要
申请公布号
DE898643(C)
申请公布日期
1953.12.03
申请号
DE1943D000345D
申请日期
1943.01.17
申请人
DEUTSCHE EDELSTAHLWERKE AKTIENGESELLSCHAFT
发明人
CLOSSET HERBERT
分类号
H04R9/02;H04R31/00
主分类号
H04R9/02
代理机构
代理人
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