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发明名称
WATERSTOPS
摘要
申请公布号
GB8719541(D0)
申请公布日期
1987.09.23
申请号
GB19870019541
申请日期
1987.08.19
申请人
GRACE LTD, W R
发明人
分类号
E04B1/68;E04B1/682;E04B1/684
主分类号
E04B1/68
代理机构
代理人
主权项
地址
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