-
公开(公告)号:US2530934A
公开(公告)日:1950-11-21
申请号:US59316845
申请日:1945-05-11
申请人: BARTON ALFRED P , HURD EDWIN P
发明人: BARTON ALFRED P , HURD EDWIN P
IPC分类号: F42B12/38
CPC分类号: F42B12/38 , Y10T29/47 , Y10T29/49945
公开(公告)号:US2530934A
公开(公告)日:1950-11-21
申请号:US59316845
申请日:1945-05-11
申请人: BARTON ALFRED P , HURD EDWIN P
发明人: BARTON ALFRED P , HURD EDWIN P
IPC分类号: F42B12/38
CPC分类号: F42B12/38 , Y10T29/47 , Y10T29/49945