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发明名称
IMPROVED SEALING DEVICE
摘要
申请公布号
IE56731(B1)
申请公布日期
1991.11.20
申请号
IE19850000832
申请日期
1985.04.01
申请人
JOHN DEKS AUSTRALIA PTY.,LTD.
发明人
分类号
E04D13/147;F16J3/04;(IPC1-7):E04B1/684;E04D13/14
主分类号
E04D13/147
代理机构
代理人
主权项
地址
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