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经营范围
发明名称
LINEAR ANALOG CONVERSION
摘要
申请公布号
US3549998(A)
申请公布日期
1970.12.22
申请号
USD3549998
申请日期
1968.09.04
申请人
PHILLIPS PETROLEUM CO.
发明人
DALE A. FLUEGEL
分类号
G06G7/28;H03K7/06;H03M1/00;(IPC1-7):G01R19/26;G01R15/10
主分类号
G06G7/28
代理机构
代理人
主权项
地址
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