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公开(公告)号:US966729A
公开(公告)日:1910-08-09
申请号:US1908412440
申请日:1908-01-24
Applicant: FIBRE CONDUIT COMPANY
Inventor: BRADLEY STEPHEN R
CPC classification number: F26B21/004
公开(公告)号:US966729A
公开(公告)日:1910-08-09
申请号:US1908412440
申请日:1908-01-24
Applicant: FIBRE CONDUIT COMPANY
Inventor: BRADLEY STEPHEN R
CPC classification number: F26B21/004