Patent search ap:("SPERRY RAND CORP") AND inv:"COOPER JOHN H" Page 1

1.

发明授权
Means for cutting wire by wire-melting electrical pulses 失效
Title translation: 用电线切割电线的手段

公开(公告)号：US3431384A

公开(公告)日：1969-03-04

申请号：US3431384D

申请日：1965-09-24

Applicant: SPERRY RAND CORP

Inventor： COOPER JOHN H

IPC: B23K11/22 , B26F3/06 , B23P1/00 , B23K9/10 , B23K11/24

CPC classification number: B26F3/06 , B23K11/22

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