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公开(公告)号：US976222A
公开(公告)日：1910-11-22
申请号：US1909479726
申请日：1909-02-24
Applicant: CLEVELAND STEEL TOOL COMPANY
Inventor： SILLIMAN BENJAMIN F
CPC classification number: F16K17/10 , Y10T137/7371 , Y10T137/7762
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公开(公告)号：US992453A
公开(公告)日：1911-05-16
申请号：US1909493290
申请日：1909-05-01
Applicant: CLEVELAND STEEL TOOL COMPANY
Inventor： SILLIMAN BENJAMIN F
CPC classification number: F16T1/26 , Y10T137/3062
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