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发明名称
Plancher insonore.
摘要
申请公布号
CH215033(A)
申请公布日期
1941.05.31
申请号
CHD215033
申请日期
1940.08.12
申请人
JEGER-ACKERMANN,JOSEPH
发明人
JEGER-ACKERMANN,JOSEPH
分类号
E04F15/20
主分类号
E04F15/20
代理机构
代理人
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