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发明名称
Nachgiebiger Grubenstempel
摘要
申请公布号
DE1001219(B)
申请公布日期
1957.01.24
申请号
DE1953H018530
申请日期
1953.11.28
申请人
HELMUT HEESE
发明人
HEESE HELMUT
分类号
E21D15/58
主分类号
E21D15/58
代理机构
代理人
主权项
地址
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