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发明名称
BIEGSAME, WASSERUNDURCHLAESSIGE PLATTE.
摘要
申请公布号
DE68905951(T2)
申请公布日期
1993.07.22
申请号
DE19896005951T
申请日期
1989.05.04
申请人
W.R. GRACE LTD., LONDON, GB
发明人
THOMPSON, PETER JAMES, PURLEY SURREY, GB;MARTIN, TIMOTHY JOHN, LOXWOOD WEST SUSSEX, GB
分类号
E04B1/66;(IPC1-7):E04B1/66
主分类号
E04B1/66
代理机构
代理人
主权项
地址
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