Patent search ap:("STANDARD OIL CO") AND inv:"ANDERSON JOHN A" Page 3

21.

发明授权
Lubricating oil process 失效
Title translation: 润滑油过程

公开(公告)号：US1980649A

公开(公告)日：1934-11-13

申请号：US62019232

申请日：1932-06-30

Applicant: STANDARD OIL CO

Inventor： VANDERVEER VOORHEES , ANDERSON JOHN A

IPC: C10G73/10

CPC classification number: C10G21/00 , C10G73/10

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