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经营范围
发明名称
Perfectionnement aux briques creuses
摘要
申请公布号
FR1002016(A)
申请公布日期
1952.03.03
申请号
FRD1002016
申请日期
1946.07.12
申请人
发明人
HARDING HOWARD-JOSEPH
分类号
E04B2/02;E04B2/16
主分类号
E04B2/02
代理机构
代理人
主权项
地址
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