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经营范围
发明名称
Schachttuebbing
摘要
申请公布号
DE1034120(B)
申请公布日期
1958.07.17
申请号
DE1955R015961
申请日期
1955.02.08
申请人
HAMBORNER BERGBAU AKTIENGESELLSCHAFT
发明人
GRAEF GEORG
分类号
E21D5/012
主分类号
E21D5/012
代理机构
代理人
主权项
地址
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