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发明名称
METHOD FOR FORMING HARD-TO-WORK MATERIAL
摘要
申请公布号
JPH0475723(A)
申请公布日期
1992.03.10
申请号
JP19900187963
申请日期
1990.07.18
申请人
MITSUBISHI HEAVY IND LTD
发明人
SATO HIROAKI
分类号
B21D26/021;B21D26/055;B21D26/059;B30B5/02
主分类号
B21D26/021
代理机构
代理人
主权项
地址
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