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发明名称
PROCESS FOR PRODUCING HOLLOW STRUCTURES SUCH AS DUCTS, SILOS, OR SHELTERS, AND STRUCTURES OBTAINED BY THIS PROCESS
摘要
申请公布号
EP0244890(A3)
申请公布日期
1988.08.03
申请号
EP19870200617
申请日期
1982.10.29
申请人
MATIERE, MARCEL
发明人
MATIERE, MARCEL
分类号
F16L9/02;E01F5/00;E04H7/28;E04H7/30;E04H9/12;E21D11/08;E21D11/15;F16L9/22;(IPC1-7):F16L9/22
主分类号
F16L9/02
代理机构
代理人
主权项
地址
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