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发明名称
A device for the continuous cutting of blocks of stone and rock masses in the quarry bed
摘要
申请公布号
GB669287(A)
申请公布日期
1952.04.02
申请号
GB19480030129
申请日期
1948.11.19
申请人
ANDRE LOUIS MARCEL SAVORNIN
发明人
分类号
B28D1/18
主分类号
B28D1/18
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代理人
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