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公开(公告)号:CA94623A
公开(公告)日:1905-08-08
申请号:CA94623D
申请日:1905-05-11
Applicant: LAIRD GEORGE , WESTINGHOUSE CANADA LTD , TODD JOHN P
Inventor: LAIRD GEORGE , TODD JOHN P
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公开(公告)号:CA94965A
公开(公告)日:1905-09-05
申请号:CA94965D
申请日:1905-06-24
Applicant: LAIRD GEORGE , WESTINGHOUSE CANADA LTD , TODD JOHN P
Inventor: LAIRD GEORGE , TODD JOHN P
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公开(公告)号:US993281A
公开(公告)日:1911-05-23
申请号:US1910552288
申请日:1910-03-30
Applicant: WILLIAM H FRIERSON , TODD JOHN P
Inventor: TODD JOHN P
CPC classification number: E04D3/363
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