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经营范围
发明名称
HYDRAULIC SCREW DOWN DEVICE
摘要
申请公布号
JPS5494460(A)
申请公布日期
1979.07.26
申请号
JP19780001154
申请日期
1978.01.11
申请人
HITACHI LTD
发明人
IIDA YOSHIHIKO
分类号
B21B31/20;B21B31/32
主分类号
B21B31/20
代理机构
代理人
主权项
地址
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