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发明名称
PASSAGEWAY LINING MATERIAL
摘要
申请公布号
GB8511430(D0)
申请公布日期
1985.06.12
申请号
GB19850011430
申请日期
1985.05.04
申请人
INSITUFORM GROUP LTD
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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