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发明名称
Perfectionnements aux machiens à concasser le béton
摘要
申请公布号
FR1021586(A)
申请公布日期
1953.02.20
申请号
FRD1021586
申请日期
1950.07.06
申请人
发明人
CORNETT WALTER VANCE
分类号
E01C23/12
主分类号
E01C23/12
代理机构
代理人
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