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公开(公告)号:US1868281A
公开(公告)日:1932-07-19
申请号:US59125932
申请日:1932-02-06
Applicant: ISIDOR FALKSON
Inventor: ISIDOR FALKSON
IPC: A42B1/20
CPC classification number: A42B1/201
公开(公告)号:US1868281A
公开(公告)日:1932-07-19
申请号:US59125932
申请日:1932-02-06
Applicant: ISIDOR FALKSON
Inventor: ISIDOR FALKSON
IPC: A42B1/20
CPC classification number: A42B1/201