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发明名称
Improvements in or relating to apparatus for cutting grooves, especially in worn vehicle tyres
摘要
申请公布号
GB813309(A)
申请公布日期
1959.05.13
申请号
GB19570036085
申请日期
1957.11.20
申请人
HERBERT RUFF
发明人
分类号
B29D30/68
主分类号
B29D30/68
代理机构
代理人
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