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公开(公告)号:US2738839A
公开(公告)日:1956-03-20
申请号:US30365652
申请日:1952-08-11
Applicant: IND EQUIPMENT COMPANY
Inventor: ASA CLARK PAUL
IPC: E06B3/48
CPC classification number: E06B3/485
公开(公告)号:US2738839A
公开(公告)日:1956-03-20
申请号:US30365652
申请日:1952-08-11
Applicant: IND EQUIPMENT COMPANY
Inventor: ASA CLARK PAUL
IPC: E06B3/48
CPC classification number: E06B3/485