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经营范围
发明名称
NETSUKANSURABUATSUENHOHO
摘要
申请公布号
JPS5154857(A)
申请公布日期
1976.05.14
申请号
JP19740124461
申请日期
1974.10.30
申请人
HITACHI LTD
发明人
KIMURA TOMOAKI;NISHINO TADASHI
分类号
B21B1/02;B21B1/38
主分类号
B21B1/02
代理机构
代理人
主权项
地址
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