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发明名称
摘要
申请公布号
JPS4428102(Y1)
申请公布日期
1969.11.22
申请号
JP19670035255U
申请日期
1967.04.25
申请人
发明人
分类号
B22D17/20;B22D17/22;B22D31/00;B29C35/00;B29C45/00;B29C45/17;B29C45/84;(IPC1-7):B22D17/22;B29F1/00
主分类号
B22D17/20
代理机构
代理人
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