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发明名称
摘要
申请公布号
FR2019749(A6)
申请公布日期
1970.07.03
申请号
FR19690001051
申请日期
1969.01.20
申请人
GAVREAU VLADIMIR;SAUL HENRI
发明人
分类号
B28B7/18;E04B1/84;E04B1/86;(IPC1-7):E04B5/00
主分类号
B28B7/18
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