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发明名称
摘要
申请公布号
JPS5933794(B2)
申请公布日期
1984.08.17
申请号
JP19770121505
申请日期
1977.10.12
申请人
MITSUI TOATSU CHEMICALS
发明人
KUNITOKU MASATO
分类号
H02P3/08;F16K31/02;F16K31/04;H02P7/06
主分类号
H02P3/08
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