Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:US2654320A
公开(公告)日:1953-10-06
申请号:US8005349
申请日:1949-03-07
Applicant: SCHMID ROY J
Inventor: SCHMID ROY J
IPC: F42B8/24 , F42B15/36
CPC classification number: F42B8/24 , F42B15/36