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发明名称
SEPARATE COLOR GENERATOR OF THREE-PHASE AC AND ROTATING MAGNETIC FIELD FOR EDUCATIONAL PURPOSE
摘要
申请公布号
JPH03241389(A)
申请公布日期
1991.10.28
申请号
JP19900037322
申请日期
1990.02.20
申请人
KOUSHIYUU HIDEO
发明人
KOUSHIYUU HIDEO
分类号
G09B23/18;G02B6/00
主分类号
G09B23/18
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代理人
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