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发明名称
METHOD AND DEVICE FOR HOT FREE FORGING
摘要
申请公布号
JPH02303644(A)
申请公布日期
1990.12.17
申请号
JP19890121501
申请日期
1989.05.17
申请人
HITACHI LTD
发明人
NAKAMURA KEIICHI;OKADA KENICHI;ASAO HIROSHI;WATANABE SHINOBU;KAWADA YOICHI;KUMADA FUMIKATSU
分类号
B21J5/00
主分类号
B21J5/00
代理机构
代理人
主权项
地址
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