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公开(公告)号：US1894605A
公开(公告)日：1933-01-17
申请号：US60413232
申请日：1932-04-09
Applicant: LLOYD WRIGHT JOHN
Inventor： LLOYD WRIGHT JOHN
IPC: A63H33/04
CPC classification number: A63H33/04
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公开(公告)号：US1351086A
公开(公告)日：1920-08-31
申请号：US35009520
申请日：1920-01-08
Applicant: LLOYD WRIGHT JOHN
Inventor： LLOYD WRIGHT JOHN
IPC: A63H33/04
CPC classification number: A63H33/044
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