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发明名称
Process for producing an arched covering
摘要
申请公布号
CH621843(A5)
申请公布日期
1981.02.27
申请号
CH19770009656
申请日期
1977.08.05
申请人
BURZLER, OTMAR
发明人
OTMAR BURZLER
分类号
E04G11/04;E04G11/36;E04H7/26;(IPC1-7):E04G11/04;E04H7/18
主分类号
E04G11/04
代理机构
代理人
主权项
地址
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