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发明名称
摘要
申请公布号
JPH0530843(Y2)
申请公布日期
1993.08.06
申请号
JP19870169141U
申请日期
1987.11.04
申请人
发明人
分类号
B22D17/22;B29C33/44;B29C33/76;B29C45/26;B29C45/33;B29C45/44;(IPC1-7):B22D17/22
主分类号
B22D17/22
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代理人
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