Patent search ap:("NICKLOS ERNEST J" OR "RASMUSSEN CHESTER A") AND inv:"NICKLOS ERNEST J" Page 1

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发明授权
Apparatus for cutting pipe in alpha well 失效
Title translation: 用于在α井切割管道的装置

公开(公告)号：US1848540A

公开(公告)日：1932-03-08

申请号：US41786030

申请日：1930-01-02

Applicant: NICKLOS ERNEST J , RASMUSSEN CHESTER A

Inventor： NICKLOS ERNEST J , RASMUSSEN CHESTER A

IPC: B23D49/06 , B23D51/12

CPC classification number: B23D51/125 , B23D49/06 , B23D51/12 , Y10T83/8749 , Y10T83/8759 , Y10T83/8775 , Y10T83/8776 , Y10T83/8788 , Y10T83/8876 , Y10T83/937

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