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经营范围
发明名称
摘要
申请公布号
JPH0252097(U)
申请公布日期
1990.04.13
申请号
JP19880130068U
申请日期
1988.10.03
申请人
发明人
分类号
C22B21/00;F27D3/15;(IPC1-7):F27D3/15
主分类号
C22B21/00
代理机构
代理人
主权项
地址
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