-
公开(公告)号:US1932186A
公开(公告)日:1933-10-24
申请号:US31972828
申请日:1928-11-15
Applicant: STANDARD IG CO
Inventor: MATHIAS PIER , FRIEDRICH RINGER , WALTER SIMON
-
公开(公告)号:US2045795A
公开(公告)日:1936-06-30
申请号:US62231432
申请日:1932-07-13
Applicant: STANDARD IG CO
Inventor: MATHIAS PIER , FRIEDRICH RINGER , WALTER SIMON
IPC: C10G47/00
CPC classification number: C10G47/00
-
公开(公告)号:US1979841A
公开(公告)日:1934-11-06
申请号:US39714529
申请日:1929-10-03
Applicant: STANDARD IG CO
Inventor: MATHIAS PIER , FRIEDRICH RINGER
IPC: C10L1/06
CPC classification number: C10L1/06 , Y10S208/95
-
公开(公告)号:US1910051A
公开(公告)日:1933-05-23
申请号:US36031629
申请日:1929-05-03
Applicant: STANDARD IG CO
Inventor: MATHIAS PIER , FRIEDRICH RINGER
IPC: C10L1/06
CPC classification number: C10L1/06
-
-
-