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发明名称
Improvements in or relating to machines for make concrete and like pipes
摘要
申请公布号
GB535433(A)
申请公布日期
1941.04.09
申请号
GB19390030534
申请日期
1939.11.21
申请人
RUSSELL MORSBY LADUE
发明人
分类号
B28B21/26
主分类号
B28B21/26
代理机构
代理人
主权项
地址
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