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发明名称
Verfahren zur Herstellung des schwingungsfähigen Teiles elektro-akustischer Wandler
摘要
申请公布号
AT166851(B)
申请公布日期
1950.10.10
申请号
ATD166851
申请日期
1948.11.08
申请人
DIPL. ING. HELLMUT RABE;DIPL. ING. KURT KRALUPPER
发明人
DIPL. ING. HELLMUT RABE;DIPL. ING. KURT KRALUPPER
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