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经营范围
发明名称
Perfectionnements apportés aux blocs de construction préfabriqués
摘要
申请公布号
FR1054572(A)
申请公布日期
1954.02.11
申请号
FRD1054572
申请日期
1952.04.17
申请人
发明人
JEAN-LOUIS RENE
分类号
E04B2/02;E04B2/42
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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