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经营范围
发明名称
TRAPEZOIDAL WAVE GENERATING CIRCUIT
摘要
申请公布号
JPH01317019(A)
申请公布日期
1989.12.21
申请号
JP19880149702
申请日期
1988.06.17
申请人
NEC CORP
发明人
IKEMOTO NAOMICHI
分类号
H03K4/94
主分类号
H03K4/94
代理机构
代理人
主权项
地址
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