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公开(公告)号:US2298992A
公开(公告)日:1942-10-13
申请号:US28173039
申请日:1939-06-28
Applicant: KAPELLA LTD
Inventor: ARTHUR WARMISHAM , EDMUND REASON RICHARD
IPC: G02B21/00
CPC classification number: G02B21/0016
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2.
公开(公告)号:US2114984A
公开(公告)日:1938-04-19
申请号:US305535
申请日:1935-01-23
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: A61B3/103
CPC classification number: A61B3/103
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公开(公告)号:US2102574A
公开(公告)日:1937-12-14
申请号:US1814835
申请日:1935-04-25
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD , WILLIAM CLIFFORD THOMAS
IPC: G03B17/42
CPC classification number: G03B17/42
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公开(公告)号:US2741153A
公开(公告)日:1956-04-10
申请号:US30960652
申请日:1952-09-15
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD , REGINALD ADAMS JOHN , ROY COLEMAN KENNETH
IPC: G02B21/00
CPC classification number: G02B21/0016
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公开(公告)号:US2365592A
公开(公告)日:1944-12-19
申请号:US39622841
申请日:1941-05-31
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: G01D5/22
CPC classification number: G01D5/2216
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公开(公告)号:US2349989A
公开(公告)日:1944-05-30
申请号:US34507940
申请日:1940-07-12
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: G02B21/00
CPC classification number: G02B21/0016
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公开(公告)号:US2049222A
公开(公告)日:1936-07-28
申请号:US2612435
申请日:1935-06-12
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: A61B3/103
CPC classification number: A61B3/103
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8.Apparatus for measuring or indicating the degree of surface roughness 失效
Title translation: 用于测量或指示表面粗糙度的装置公开(公告)号:US2363691A
公开(公告)日:1944-11-28
申请号:US45856042
申请日:1942-09-16
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: G01B7/34
CPC classification number: G01B7/34
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9.
公开(公告)号:US2329084A
公开(公告)日:1943-09-07
申请号:US37953641
申请日:1941-02-18
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: G01B7/34
CPC classification number: G01B7/34
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公开(公告)号:US2256102A
公开(公告)日:1941-09-16
申请号:US21123138
申请日:1938-06-01
Applicant: KAPELLA LTD
Inventor: EDMUND REASON RICHARD
IPC: G02B21/00
CPC classification number: G02B21/0016
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