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经营范围
发明名称
Pneumatisches Doppelkolben-Schlagwerk fuer Schlagbohrmaschinen, insbesondere zum Gesteinsbohren
摘要
申请公布号
DE1130778(B)
申请公布日期
1962.06.07
申请号
DE1955S044396
申请日期
1955.06.16
申请人
SALZGITTER MASCHINEN AKTIENGESELLSCHAFT
发明人
SCHMITZ EWALD
分类号
E21B1/30
主分类号
E21B1/30
代理机构
代理人
主权项
地址
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