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发明名称
Perfectionnements à un élément de construction et aux constructions elles-mêmes
摘要
申请公布号
FR860839(A)
申请公布日期
1941.01.24
申请号
FRD860839
申请日期
1939.10.13
申请人
发明人
WHITEROW WILLIAM PORTER
分类号
E04B1/24;E04B1/94
主分类号
E04B1/24
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代理人
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