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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH04243067(A)
申请公布日期
1992.08.31
申请号
JP19910003697
申请日期
1991.01.17
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
IGUCHI MUTSUMI;ISHIBASHI KENZO
分类号
G11B20/18
主分类号
G11B20/18
代理机构
代理人
主权项
地址
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Verfahren zur Herstellung geschlossener Hohlkolben
Methode zur Kühlung einer Turbinenschaufel