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发明名称
CURVED ELEMENT OF PREDETERMINED CURVE LENGTH FORMING PART OF A PIPE JOINT, AND CURVED ELEMENT BUILDING SYSTEM
摘要
申请公布号
DE3463803(D1)
申请公布日期
1987.06.25
申请号
DE19843463803
申请日期
1984.02.23
申请人
HEWI HEINRICH WILKE GMBH
发明人
HELLMANN, DETLEF
分类号
E04B1/58;E04F11/18;(IPC1-7):E04F11/18
主分类号
E04B1/58
代理机构
代理人
主权项
地址
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