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发明名称
BLASFORM FUER SCHACHTOEFEN, INSBESONDERE HOCHOEFEN.
摘要
申请公布号
DE1729255(U)
申请公布日期
1956.09.06
申请号
DE195200P3637U
申请日期
1952.07.29
申请人
WALTER PETZOLD
发明人
WALTER PETZOLD
分类号
主分类号
代理机构
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