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公开(公告)号:US1028971A
公开(公告)日:1912-06-11
申请号:US1910599228
申请日:1910-12-24
Applicant: SHACKLEFORD MARION L
Inventor: SHACKLEFORD MARION L
CPC classification number: B64C2201/00
公开(公告)号:US1028971A
公开(公告)日:1912-06-11
申请号:US1910599228
申请日:1910-12-24
Applicant: SHACKLEFORD MARION L
Inventor: SHACKLEFORD MARION L
CPC classification number: B64C2201/00