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发明名称
Decken-Hohlziegel
摘要
申请公布号
DE823931(C)
申请公布日期
1951.12.06
申请号
DE1949P000240D
申请日期
1949.11.05
申请人
GEROLD PFISTER
发明人
PFISTER GEROLD
分类号
E04B5/26
主分类号
E04B5/26
代理机构
代理人
主权项
地址
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