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发明名称
DIGITAL FILTERS
摘要
申请公布号
US3521041(A)
申请公布日期
1970.07.21
申请号
USD3521041
申请日期
1967.07.19
申请人
INTERN. BUSINESS MACHINES CORP.
发明人
RICHARD VAN BLERKOM;DON G. FREEMAN
分类号
G06F7/52;H03H17/06;(IPC1-7):G06F7/38;G01V1/28
主分类号
G06F7/52
代理机构
代理人
主权项
地址
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