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发明名称
摘要
申请公布号
JPS6350563(B2)
申请公布日期
1988.10.11
申请号
JP19820197482
申请日期
1982.11.12
申请人
HITACHI LTD
发明人
WATANABE HARUO;ICHANAGI TAKESHI;AKASAKA YOSHIMICHI
分类号
F15B13/044
主分类号
F15B13/044
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