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经营范围
发明名称
FLOOR WITH WOODEN FLOOR JOIST OF REDUCED IGNITABILITY
摘要
申请公布号
PL286326(A1)
申请公布日期
1991.04.08
申请号
PL19900286326
申请日期
1990.08.02
申请人
RITSCH INGOMAR
发明人
RITSCH INGOMAR
分类号
E04B1/94;E04B5/12;(IPC1-7):E04B5/12
主分类号
E04B1/94
代理机构
代理人
主权项
地址
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