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发明名称
摘要
申请公布号
JPS5543042(B2)
申请公布日期
1980.11.04
申请号
JP19740029189
申请日期
1974.03.15
申请人
发明人
分类号
B22F1/00;B22F3/00;B22F3/14;B22F3/15;B28B7/12;B30B11/00;C04B37/00
主分类号
B22F1/00
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