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发明名称
FORMSTEIN FUER EINEN AUS MAUERSTEINEN GEMAUERTEN, NACH OBEN OFFENEN KAMINKOPF.
摘要
申请公布号
DE1647280(U)
申请公布日期
1952.11.27
申请号
DE195100G2699U
申请日期
1951.03.10
申请人
LUDWIG GRUBER
发明人
LUDWIG GRUBER
分类号
主分类号
代理机构
代理人
主权项
地址
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