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经营范围
发明名称
Matériau plastique
摘要
申请公布号
FR919371(A)
申请公布日期
1947.03.06
申请号
FRD919371
申请日期
1945.09.03
申请人
发明人
PRAT HENRI-ROGER
分类号
C04B28/02
主分类号
C04B28/02
代理机构
代理人
主权项
地址
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