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发明名称
IMPROVEMENTS IN OR RELATING TO FLEXIBLE STRUCTURAL PLATE PIPES AND THE LIKE
摘要
申请公布号
GB1263897(A)
申请公布日期
1972.02.16
申请号
GB19700002815
申请日期
1970.01.20
申请人
DAVUM
发明人
分类号
E04C2/32;B21C37/20;E01F5/00;E21D11/15;F16L9/22
主分类号
E04C2/32
代理机构
代理人
主权项
地址
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