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发明名称
VAPOUR PROOFING BRICK
摘要
申请公布号
KR910000286(Y1)
申请公布日期
1991.01.18
申请号
KR19870017375U
申请日期
1987.10.12
申请人
CHOI JUNG-WOONG
发明人
CHOI JUNG-WOONG
分类号
E04C1/00;(IPC1-7):E04C1/00
主分类号
E04C1/00
代理机构
代理人
主权项
地址
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