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公开(公告)号:US2896472A
公开(公告)日:1959-07-28
申请号:US72996558
申请日:1958-04-21
申请人: STARBIRD JAMES F , BACOM NATHAN C
发明人: STARBIRD JAMES F , BACOM NATHAN C
CPC分类号: B23Q1/545 , B60R1/064 , Y10T74/18944 , Y10T74/20396 , Y10T403/32024 , Y10T403/32057 , Y10T403/32139 , Y10T403/32155 , Y10T403/32188 , Y10T403/32204 , Y10T403/32229 , Y10T403/32237 , Y10T403/32983