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发明名称
Schlagwerkzeug mit einem in ihm hin und her gehend angeordneten Hammerkolben
摘要
申请公布号
CH421863(A)
申请公布日期
1966.09.30
申请号
CH19650003096
申请日期
1965.03.05
申请人
ATLAS COPCO AKTIEBOLAG
发明人
VIKTOR NYHOLM,BENGT
分类号
E21B1/34;E21B6/06;E21B6/08
主分类号
E21B1/34
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