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发明名称
PRODUCT OPERATIONAL REALY
摘要
申请公布号
JPS547140(A)
申请公布日期
1979.01.19
申请号
JP19770071044
申请日期
1977.06.17
申请人
HITACHI LTD
发明人
SAKOU EIZABUROU;SASAKI HIROSHI
分类号
H02H3/42
主分类号
H02H3/42
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