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发明名称
Fremgangsmåde til kompensering af pyroelektriske effekter ved elektromekaniske omsættere, især ferroelektrika, samt et piezoelektrisk element til udøvelse af denne fremgangsmåde.
摘要
申请公布号
DK124909(B)
申请公布日期
1972.12.04
申请号
DK19690005739
申请日期
1969.10.30
申请人
METRA MESS- U. FREQUENZTECHNIK
发明人
WOLFGANG WUENSCHMANN
分类号
H03H9/17;(IPC1-7):H04R19/00;H03H9/14
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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