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发明名称
Perfectionnements aux objets destinés à des buts structuraux et autres
摘要
申请公布号
FR810849(A)
申请公布日期
1937.03.31
申请号
FRD810849
申请日期
1936.07.01
申请人
发明人
ANDERSON ROBERT HUTCHISON
分类号
G09B23/04
主分类号
G09B23/04
代理机构
代理人
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