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发明名称
EXTRUSION FORMING METHOD OF CYLINDRICAL PARTS AND EXTRUDING DEVICE
摘要
申请公布号
JPH02280937(A)
申请公布日期
1990.11.16
申请号
JP19890103140
申请日期
1989.04.21
申请人
HITACHI POWDERED METALS CO LTD
发明人
HIRAI YOSHIKI
分类号
B21J5/06;B21K21/00
主分类号
B21J5/06
代理机构
代理人
主权项
地址
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