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摘要
申请公布号
JPS5915792(B2)
申请公布日期
1984.04.11
申请号
JP19780120356
申请日期
1978.10.02
申请人
HITACHI LTD
发明人
HASEGAWA HIROSHI
分类号
B25H3/00
主分类号
B25H3/00
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