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经营范围
发明名称
AREA QUANTIZATION DELTA MODULATION SYSTEM
摘要
申请公布号
US3564413(A)
申请公布日期
1971.02.16
申请号
USD3564413
申请日期
1967.03.20
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO. LTD.
发明人
KOSAKU UCHIDA
分类号
H04B14/06;(IPC1-7):H03K13/22
主分类号
H04B14/06
代理机构
代理人
主权项
地址
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