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发明名称
METHOD AND APPARATUS FOR PATTERN PUNCHING IN CASTING MOLD MAKING MACHINE
摘要
申请公布号
JPS54137432(A)
申请公布日期
1979.10.25
申请号
JP19780045126
申请日期
1978.04.17
申请人
HITACHI METALS LTD
发明人
TANIUCHI HIROSHI
分类号
B22C17/00
主分类号
B22C17/00
代理机构
代理人
主权项
地址
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