-
公开(公告)号：US1787951A
公开(公告)日：1931-01-06
申请号：US28520528
申请日：1928-06-13
Applicant: STANDARD IG CO
Inventor： WILHELM PUNGS , ERICH FRESE
CPC classification number: C10M5/00 , C10M2201/02 , C10M2207/125 , C10M2207/129 , C10M2207/281 , C10M2207/282 , C10M2207/283 , C10M2207/286 , C10M2207/402 , C10M2209/10 , C10N2210/01 , C10N2250/10 , C10N2260/04
Search Results
1
records
(took 0.012 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
