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发明名称
MANUFACTURE OF LONG HOLLOW CYLINDRICAL FORMED PART
摘要
申请公布号
JPS5758945(A)
申请公布日期
1982.04.09
申请号
JP19800132274
申请日期
1980.09.25
申请人
KOMATSU SEISAKUSHO KK
发明人
YOKOTA MASAHIRO
分类号
B21J1/06;B21J1/04;B21J5/00;B21J5/06;B21K21/00
主分类号
B21J1/06
代理机构
代理人
主权项
地址
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