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发明名称
REGLET STRUCTURE
摘要
申请公布号
GB1486995(A)
申请公布日期
1977.09.28
申请号
GB19750015163
申请日期
1975.04.14
申请人
BERG E
发明人
分类号
E04D5/14;E04B1/41;E04D13/14;E04G15/06;(IPC1-7):E04D13/00
主分类号
E04D5/14
代理机构
代理人
主权项
地址
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