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经营范围
发明名称
Escalier escamotable
摘要
申请公布号
FR987870(A)
申请公布日期
1951.08.20
申请号
FRD987870
申请日期
1949.06.08
申请人
发明人
MENORET GEORGES
分类号
E04F11/04
主分类号
E04F11/04
代理机构
代理人
主权项
地址
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