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公开(公告)号:US1670417A
公开(公告)日:1928-05-22
申请号:US20497827
申请日:1927-07-11
Applicant: LEWIS CLAUDE A
Inventor: LEWIS CLAUDE A
IPC: E06B3/50
CPC classification number: E06B3/5063 , E06B3/50
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公开(公告)号:US1744394A
公开(公告)日:1930-01-21
申请号:US31073928
申请日:1928-10-06
Applicant: LEWIS CLAUDE A
Inventor: LEWIS CLAUDE A
IPC: E06B3/50
CPC classification number: E06B3/5063 , E06B3/50
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公开(公告)号:US1701577A
公开(公告)日:1929-02-12
申请号:US25076628
申请日:1928-01-31
Applicant: LEWIS CLAUDE A
Inventor: LEWIS CLAUDE A
IPC: A47C1/12
CPC classification number: A47C1/12
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公开(公告)号:US1681990A
公开(公告)日:1928-08-28
申请号:US19178027
申请日:1927-05-16
Applicant: LEWIS CLAUDE A
Inventor: LEWIS CLAUDE A
IPC: E05F11/00
CPC classification number: E05F11/08 , E05F2700/04 , E05Y2900/148
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