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发明名称
Brick laying aid
摘要
申请公布号
GB2302704(B)
申请公布日期
1998.08.19
申请号
GB19960011827
申请日期
1996.06.06
申请人
MICHAEL PHILIP * HARPER
发明人
MICHAEL PHILIP * HARPER
分类号
E04G21/20;E04G21/22;(IPC1-7):E04G21/18
主分类号
E04G21/20
代理机构
代理人
主权项
地址
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