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发明名称
Stahlgrubenstempel
摘要
申请公布号
DE921621(C)
申请公布日期
1954.12.23
申请号
DE1951G007562
申请日期
1951.12.02
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
PEPPLER WILHELM DR.-ING.
分类号
E21D15/42;E21D15/502
主分类号
E21D15/42
代理机构
代理人
主权项
地址
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