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经营范围
发明名称
PIEZOELEKTRISCHER OSZILLATOR
摘要
申请公布号
DE7245989(U)
申请公布日期
1977.12.01
申请号
DE19720045989U
申请日期
1972.12.15
申请人
NIHON DEMPA KOGYO CO. LTD., TOKIO
发明人
分类号
G04F5/06;H03H9/21;(IPC1-7):H03H9/20
主分类号
G04F5/06
代理机构
代理人
主权项
地址
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