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经营范围
发明名称
Procédé de construction en béton pour murs et planchers
摘要
申请公布号
FR57093(E)
申请公布日期
1952.10.22
申请号
FRD57093
申请日期
1947.06.09
申请人
发明人
RATSCH FRANZ
分类号
E04B5/26
主分类号
E04B5/26
代理机构
代理人
主权项
地址
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