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发明名称
Digital to analog conversion apparatus
摘要
申请公布号
US3281832(A)
申请公布日期
1966.10.25
申请号
US19640398576
申请日期
1964.09.23
申请人
SCHLUMBERGER WELL SURVEYING CORPORATION
发明人
SCHWARTZ ROBERT J.
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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