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经营范围
发明名称
DIFFERENTIAL FREQUENCY TRANSDUCER
摘要
申请公布号
US3421106(A)
申请公布日期
1969.01.07
申请号
USD3421106
申请日期
1967.10.03
申请人
HEWLETT PACKARD CO.
发明人
THOMAS GARBER;DAVID E. KELCH;ARTHUR MILLER
分类号
H03M1/00;(IPC1-7):H03B21/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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