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发明名称
Dispositif pour la fabrication de pierres de construction comprenant un grand nombre d'ouvertures transversales
摘要
申请公布号
FR688572(A)
申请公布日期
1930.08.26
申请号
FRD688572
申请日期
1930.01.20
申请人
ED. WEIBEL & CO.
发明人
分类号
B28B3/26
主分类号
B28B3/26
代理机构
代理人
主权项
地址
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