-
公开(公告)号:US868973A
公开(公告)日:1907-10-22
申请号:US1906346074
申请日:1906-12-03
Applicant: DATSCHEG GEORGE ALBERT
Inventor: DATSCHEG GEORGE ALBERT
CPC classification number: E05Y2201/604
公开(公告)号:US868973A
公开(公告)日:1907-10-22
申请号:US1906346074
申请日:1906-12-03
Applicant: DATSCHEG GEORGE ALBERT
Inventor: DATSCHEG GEORGE ALBERT
CPC classification number: E05Y2201/604