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发明名称
MASONRY ARCH SUPPORT
摘要
申请公布号
GB9224216(D0)
申请公布日期
1993.01.06
申请号
GB19920024216
申请日期
1992.11.17
申请人
SECRETARY OF STATE FOR TRANSPORT, THE
发明人
分类号
E01D4/00
主分类号
E01D4/00
代理机构
代理人
主权项
地址
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