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发明名称
Schraemmaschine
摘要
申请公布号
DE1175186(B)
申请公布日期
1964.08.06
申请号
DE1959M043492
申请日期
1959.11.26
申请人
MAVOR & COULSON LIMITED
发明人
SPROUL JOHN CONNEL
分类号
E21C27/12
主分类号
E21C27/12
代理机构
代理人
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