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公开(公告)号:US2134454A
公开(公告)日:1938-10-25
申请号:US8800036
申请日:1936-06-29
Applicant: JAMES NICHOLSON CONSTANTIN
Inventor: JAMES NICHOLSON CONSTANTIN
IPC: E06B9/52
CPC classification number: E06B9/52
公开(公告)号:US2134454A
公开(公告)日:1938-10-25
申请号:US8800036
申请日:1936-06-29
Applicant: JAMES NICHOLSON CONSTANTIN
Inventor: JAMES NICHOLSON CONSTANTIN
IPC: E06B9/52
CPC classification number: E06B9/52