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发明名称
ADVERSE WIND PREVENTING DEVICE OF PROPORTIONAL TYPEOF GAS BOILER
摘要
申请公布号
KR1019940008396(B1)
申请公布日期
1994.09.14
申请号
KR1019910023742
申请日期
1991.12.21
申请人
发明人
分类号
主分类号
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代理人
主权项
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