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发明名称
Perfectionnements apportés à la fabrication des matériaux armés
摘要
申请公布号
FR936031(A)
申请公布日期
1948.07.07
申请号
FRD936031
申请日期
1946.11.06
申请人
发明人
MALLET PAUL
分类号
B28B21/66;E04G21/12
主分类号
B28B21/66
代理机构
代理人
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