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发明名称
RAPID LAY BUILDING BRICKS
摘要
申请公布号
GB1276111(A)
申请公布日期
1972.06.01
申请号
GB19690031117
申请日期
1969.06.19
申请人
WILLIAM JOHN HARTNELL
发明人
WILLIAM JOHN HARTNELL
分类号
E04B2/02;E04B2/04;E04C1/40;E04G21/22
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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