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发明名称
DICHTELEMENT FUER DER HERSTELLUNG VON STAHL- ODER SPANNBETONSTAEBEN DIENENDE SCHALUNGEN.
摘要
申请公布号
DE1699290(U)
申请公布日期
1955.05.26
申请号
DE195400R9658U
申请日期
1954.10.19
申请人
WILLI ROTH
发明人
WILLI ROTH
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主分类号
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