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发明名称
Befestigung eines Bohrkronenschaftes oder Einsteckendes im Bohrhammer
摘要
申请公布号
DE1183457(B)
申请公布日期
1964.12.17
申请号
DE1964B075210
申请日期
1964.01.29
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
发明人
HEUSGEN WALTER;HASEWEND ING. FLORIAN;PICHLER ING. HUBERT
分类号
E21B17/046
主分类号
E21B17/046
代理机构
代理人
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地址
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