Patent search ap:("STANDARD IG CO") AND inv:"CARL WULFF" Page 1

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发明授权
Extraction of oils from materials containing same 失效
Title translation: 从含有它的材料中提取油

公开(公告)号：US1840287A

公开(公告)日：1932-01-05

申请号：US24455228

申请日：1928-01-04

Applicant: STANDARD IG CO

Inventor： FRITZ HOFMANN , CARL WULFF

IPC: C10G1/00 , C10G1/04

CPC classification number: C10G1/006 , C10G1/04

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