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发明名称
ELECTRONIC CRYSTAL SELECTOR
摘要
申请公布号
US3474269(A)
申请公布日期
1969.10.21
申请号
USD3474269
申请日期
1968.11.18
申请人
BOURNS INC.
发明人
MARION L. STRICKLAND
分类号
H03H9/05;(IPC1-7):H04R17/00
主分类号
H03H9/05
代理机构
代理人
主权项
地址
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