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公开(公告)号:US1418198A
公开(公告)日:1922-05-30
申请号:US46451221
申请日:1921-04-26
Applicant: NEPPELL HARRY N
Inventor: NEPPELL HARRY N
IPC: A42B1/20
CPC classification number: A42B1/201
公开(公告)号:US1418198A
公开(公告)日:1922-05-30
申请号:US46451221
申请日:1921-04-26
Applicant: NEPPELL HARRY N
Inventor: NEPPELL HARRY N
IPC: A42B1/20
CPC classification number: A42B1/201