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公开(公告)号:US735614A
公开(公告)日:1903-08-04
申请号:US1901080141
申请日:1901-10-26
Applicant: B B WATKINS , STEVENS ROBERT ASPLING
Inventor: STEVENS ROBERT ASPLING
CPC classification number: A47F3/10
公开(公告)号:US735614A
公开(公告)日:1903-08-04
申请号:US1901080141
申请日:1901-10-26
Applicant: B B WATKINS , STEVENS ROBERT ASPLING
Inventor: STEVENS ROBERT ASPLING
CPC classification number: A47F3/10