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公开(公告)号:US2465009A
公开(公告)日:1949-03-22
申请号:US62176645
申请日:1945-10-11
Applicant: CHASE LELAND H
Inventor: CHASE LELAND H
IPC: F42C3/00 , F42C5/00
CPC classification number: F42C3/00 , F42C5/00