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发明名称
CASTING MOLD METHOD OF BOILING WATER TANK FOR CAST IRON BOILER
摘要
申请公布号
KR1019790001597(B1)
申请公布日期
1979.11.15
申请号
KR1019780001545
申请日期
1978.05.23
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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