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发明名称
Improvements in or relating to the production of hollow pre-cast concrete building units
摘要
申请公布号
GB655155(A)
申请公布日期
1951.07.11
申请号
GB19470005241
申请日期
1947.02.22
申请人
ANGUS M. MACDOUGALL & COMPANY LIMITED;ANGUS MACKENZIE MACDOUGALL
发明人
分类号
B28B7/30
主分类号
B28B7/30
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代理人
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