-
公开(公告)号:US1941431A
公开(公告)日:1933-12-26
申请号:US63043232
申请日:1932-08-25
Applicant: CASE RES LAB INC
Inventor: WILLARD CASE THEODORE , GRANDE COUCH FRANK LE
IPC: A01M1/18
CPC classification number: A01M1/18
公开(公告)号:US1941431A
公开(公告)日:1933-12-26
申请号:US63043232
申请日:1932-08-25
Applicant: CASE RES LAB INC
Inventor: WILLARD CASE THEODORE , GRANDE COUCH FRANK LE
IPC: A01M1/18
CPC classification number: A01M1/18