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公开(公告)号:US2202407A
公开(公告)日:1940-05-28
申请号:US17628237
申请日:1937-11-24
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: B23F21/10
CPC classification number: B23F21/10 , Y10T407/174 , Y10T407/1934
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公开(公告)号:US2124990A
公开(公告)日:1938-07-26
申请号:US74934234
申请日:1934-10-22
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: B24B3/34
CPC classification number: B24B3/346 , Y10T407/174
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公开(公告)号:US1878730A
公开(公告)日:1932-09-20
申请号:US24110327
申请日:1927-12-19
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: F16D3/66
CPC classification number: F16D3/66
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公开(公告)号:US1717817A
公开(公告)日:1929-06-18
申请号:US21336427
申请日:1927-08-16
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: F16D3/24
CPC classification number: F16D3/24 , Y10T29/49689 , Y10T29/4984
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公开(公告)号:US1683999A
公开(公告)日:1928-09-11
申请号:US11417326
申请日:1926-06-07
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: F16D3/24
CPC classification number: F16D3/24
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公开(公告)号:US2067549A
公开(公告)日:1937-01-12
申请号:US5378935
申请日:1935-12-10
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: C21D9/32
CPC classification number: C21D9/32
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公开(公告)号:US2029398A
公开(公告)日:1936-02-04
申请号:US64679332
申请日:1932-12-12
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
CPC classification number: B23F5/16 , B23F5/12 , Y10T409/105247
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公开(公告)号:US1978064A
公开(公告)日:1934-10-23
申请号:US56436131
申请日:1931-09-22
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: B23F5/16
CPC classification number: B23F5/16 , Y10T409/105247
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公开(公告)号:US1621636A
公开(公告)日:1927-03-22
申请号:US50048621
申请日:1921-09-14
Applicant: LANE GEORGE L , SYKES WILLIAM E
Inventor: LANE GEORGE L , SYKES WILLIAM E
IPC: E21B1/02
CPC classification number: E21B1/02
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公开(公告)号:US2306910A
公开(公告)日:1942-12-29
申请号:US24809038
申请日:1938-12-28
Applicant: SYKES WILLIAM E
Inventor: SYKES WILLIAM E
IPC: B23F5/16
CPC classification number: B23F5/166 , Y10T409/105406
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