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发明名称
摘要
申请公布号
JPS60103547(U)
申请公布日期
1985.07.15
申请号
JP19830196972U
申请日期
1983.12.21
申请人
发明人
分类号
B22C7/00;B22C7/04;(IPC1-7):B22C7/00
主分类号
B22C7/00
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代理人
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