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经营范围
发明名称
摘要
申请公布号
JPS538529(B2)
申请公布日期
1978.03.29
申请号
JP19750023696
申请日期
1975.02.26
申请人
发明人
分类号
B22C11/00;B22C15/30
主分类号
B22C11/00
代理机构
代理人
主权项
地址
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