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发明名称
SPIRAL TYPE DIELESS BENDING METHOD
摘要
申请公布号
JPS6284833(A)
申请公布日期
1987.04.18
申请号
JP19850223835
申请日期
1985.10.09
申请人
MITSUBISHI HEAVY IND LTD
发明人
KONO TAKAYUKI;OBA SHINSUKE;SENJIYU MASATOSHI;TAKASHIMA MASAHIRO
分类号
B21D7/16
主分类号
B21D7/16
代理机构
代理人
主权项
地址
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