-
公开(公告)号:US1353979A
公开(公告)日:1920-09-28
申请号:US31524519
申请日:1919-08-04
Applicant: WISE BASIL E
Inventor: WISE BASIL E
IPC: C09K3/14
CPC classification number: C09K3/1481
-
公开(公告)号:US1360343A
公开(公告)日:1920-11-30
申请号:US29995919
申请日:1919-05-26
Applicant: WISE BASIL E
Inventor: WISE BASIL E
IPC: C09K3/14
CPC classification number: C09K3/1454
-