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公开(公告)号:US2428887A
公开(公告)日:1947-10-14
申请号:US57944245
申请日:1945-02-23
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L
CPC classification number: B65G17/067 , B65G17/10 , B65G2201/04
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公开(公告)号:US2099133A
公开(公告)日:1937-11-16
申请号:US33435
申请日:1935-01-04
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L , RUMPEL HARVEY H
IPC: B03B5/56
CPC classification number: B03B5/56
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公开(公告)号:US1521704A
公开(公告)日:1925-01-06
申请号:US51592521
申请日:1921-11-17
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L
IPC: B03B5/64
CPC classification number: B03B5/64 , Y10T137/7316
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公开(公告)号:US2468342A
公开(公告)日:1949-04-26
申请号:US61676745
申请日:1945-09-17
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L
IPC: B02C2/04
CPC classification number: B02C2/045
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公开(公告)号:US1519625A
公开(公告)日:1924-12-16
申请号:US66848523
申请日:1923-10-15
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L , RUMPEL HARVEY H
IPC: B02C2/06
CPC classification number: B02C2/06
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公开(公告)号:US1861578A
公开(公告)日:1932-06-07
申请号:US36973529
申请日:1929-06-10
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L
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公开(公告)号:US1392779A
公开(公告)日:1921-10-04
申请号:US20831317
申请日:1917-12-21
Applicant: SMITH ENGINEERING WORKS
Inventor: MCMANAMEN JOHN J , SMITH CHARLES F , MUNRO ALEXANDER L
IPC: B03B5/56
CPC classification number: B03B5/56
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公开(公告)号:US2372791A
公开(公告)日:1945-04-03
申请号:US51766444
申请日:1944-01-10
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L
IPC: B06B1/16
CPC classification number: B06B1/164 , Y10T74/18344
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公开(公告)号:US2069331A
公开(公告)日:1937-02-02
申请号:US73951634
申请日:1934-08-13
Applicant: SMITH ENGINEERING WORKS
Inventor: RUMPEL HARVEY H , MUNRO ALEXANDER L
IPC: B07B1/34
CPC classification number: B07B1/34
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公开(公告)号:US1914151A
公开(公告)日:1933-06-13
申请号:US40379529
申请日:1929-10-31
Applicant: SMITH ENGINEERING WORKS
Inventor: MUNRO ALEXANDER L , RUMPEL HARVEY H
CPC classification number: B02C2/005 , B02C2/10 , Y10T403/479
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