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发明名称
Dachdeckerschutzgeruest
摘要
申请公布号
DE537255(C)
申请公布日期
1931.10.31
申请号
DE1929W084257D
申请日期
1929.11.20
申请人
ROBERT WOEHLERT
发明人
分类号
E04G3/26
主分类号
E04G3/26
代理机构
代理人
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