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公开(公告)号:US2245118A
公开(公告)日:1941-06-10
申请号:US32179340
申请日:1940-03-01
Applicant: STEPHENS RUSSELL W
Inventor: STEPHENS RUSSELL W
IPC: A01J1/00
CPC classification number: A01J1/00
公开(公告)号:US2245118A
公开(公告)日:1941-06-10
申请号:US32179340
申请日:1940-03-01
Applicant: STEPHENS RUSSELL W
Inventor: STEPHENS RUSSELL W
IPC: A01J1/00
CPC classification number: A01J1/00