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发明名称
Perfectionnements aux installations de bétonnage
摘要
申请公布号
FR1259003(A)
申请公布日期
1961.04.21
申请号
FR19606940225
申请日期
1960.03.11
申请人
发明人
LILIENFELD ALBERT
分类号
B28C9/00
主分类号
B28C9/00
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代理人
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