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公开(公告)号:US1909618A
公开(公告)日:1933-05-16
申请号:US41870130
申请日:1930-01-06
Applicant: ABINGDON ENGINEERING CORP
Inventor: HENDRICKSON WALTER H
IPC: A47K1/02
CPC classification number: A47K1/02 , E03C2201/90
公开(公告)号:US1909618A
公开(公告)日:1933-05-16
申请号:US41870130
申请日:1930-01-06
Applicant: ABINGDON ENGINEERING CORP
Inventor: HENDRICKSON WALTER H
IPC: A47K1/02
CPC classification number: A47K1/02 , E03C2201/90