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经营范围
发明名称
摘要
申请公布号
JPS61127834(U)
申请公布日期
1986.08.11
申请号
JP19850008957U
申请日期
1985.01.24
申请人
发明人
分类号
B21D45/04;B30B15/32;(IPC1-7):B21D45/04
主分类号
B21D45/04
代理机构
代理人
主权项
地址
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