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发明名称
ELECTROMAGNETIC VIBRATORY DEVICES
摘要
申请公布号
US3436568(A)
申请公布日期
1969.04.01
申请号
USD3436568
申请日期
1966.04.19
申请人
INDIAN TELEPHONE IND. LTD.
发明人
RANJIT DAS GUPTA;MYSORE JAYASIMHA;RAU SOMASEKHARA;KRISHNAPPA SITARAMARAO;RANGAIYER YEGNANARAYAN
分类号
G10K9/13;H04R11/00;(IPC1-7):H02K33/18
主分类号
G10K9/13
代理机构
代理人
主权项
地址
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