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发明名称
Einrichtung zur Übertragung mechanischer Schwingungen.
摘要
申请公布号
CH304081(A)
申请公布日期
1954.12.31
申请号
CHD304081
申请日期
1953.02.20
申请人
DE VRIES,MACHIEL
发明人
VRIES,MACHIEL DE
分类号
H04R1/16;H04R17/04;H04R17/06
主分类号
H04R1/16
代理机构
代理人
主权项
地址
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