Patent search ap:("COMBUSTION ENG") AND inv:"DIXON JOHN S" Page 1

1.

发明授权
Apparatus for preparation of hemispherical head segments 失效
Title translation: 用于制备HEMISPHERICAL HEAD SEGMENTS的装置

公开(公告)号：US3450397A

公开(公告)日：1969-06-17

申请号：US3450397D

申请日：1967-04-24

Applicant: COMBUSTION ENG

Inventor： DIXON JOHN S , SMITH JOSEPH W

IPC: B21D51/24 , B23K7/00 , B21D43/28

CPC classification number: B21D51/24 , B23K7/005

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