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发明名称
Walzprofil der parallelen Innenstempel der mehrteiligen Stahlgrubenstempel
摘要
申请公布号
DE854186(C)
申请公布日期
1952.10.30
申请号
DE1948P012826D
申请日期
1948.10.02
申请人
BACHMANN GEORG;IRMGARD CLAUS
发明人
BACHMANN GEORG
分类号
E21D15/502
主分类号
E21D15/502
代理机构
代理人
主权项
地址
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