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发明名称
Improvements in or relating to concrete block-making machines
摘要
申请公布号
GB1072943(A)
申请公布日期
1967.06.21
申请号
GB19620038827
申请日期
1962.12.13
申请人
JOHN FINLAY
发明人
分类号
B28B1/04;B28B5/00
主分类号
B28B1/04
代理机构
代理人
主权项
地址
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