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公开(公告)号:US3001481A
公开(公告)日:1961-09-26
申请号:US75831158
申请日:1958-09-02
Applicant: IMPROVED MACHINERY INC
Inventor: THOMPSON WALTER N
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公开(公告)号:US2813557A
公开(公告)日:1957-11-19
申请号:US55134355
申请日:1955-12-06
Applicant: IMPROVED MACHINERY INC
Inventor: THOMPSON WALTER N
IPC: B27L11/00
CPC classification number: B27L11/005
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公开(公告)号:US2908226A
公开(公告)日:1959-10-13
申请号:US63157756
申请日:1956-12-31
Applicant: IMPROVED MACHINERY INC
Inventor: RICH JOHN P , OSCAR LUTHI , THOMPSON WALTER N
CPC classification number: B29C47/402 , B01F7/082 , B01F7/085 , B29C47/0009 , B29C47/0871 , B29C47/38 , B29C47/404 , B29C47/6012 , B30B11/243 , F04C3/085 , F04C2250/201 , Y10T74/19953
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