-
公开(公告)号:US2581829A
公开(公告)日:1952-01-08
申请号:US66850146
申请日:1946-05-09
Applicant: ALEXANDER MALVIN T
Inventor: ALEXANDER MALVIN T
IPC: B27L1/05
CPC classification number: B27L1/08
-
公开(公告)号:US1887908A
公开(公告)日:1932-11-15
申请号:US44163130
申请日:1930-04-04
Applicant: TYCHO TIDBLAD ANDERS
Inventor: TYCHO TIDBLAD ANDERS
IPC: B27L1/05
CPC classification number: B27L1/08
-