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摘要
申请公布号
JPS56160653(U)
申请公布日期
1981.11.30
申请号
JP19800058891U
申请日期
1980.04.28
申请人
发明人
分类号
B22D19/00;C04B35/00;(IPC1-7):B22D19/00
主分类号
B22D19/00
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