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公开(公告)号:US737074A
公开(公告)日:1903-08-25
申请号:US1903147989
申请日:1903-03-16
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
CPC classification number: E01B11/10
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公开(公告)号:US1023991A
公开(公告)日:1912-04-23
申请号:US1911641196
申请日:1911-07-29
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
CPC classification number: E01B11/08
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公开(公告)号:US1392298A
公开(公告)日:1921-10-04
申请号:US36710020
申请日:1920-03-19
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
IPC: A41B3/08
CPC classification number: A41B3/08 , Y10T24/1966 , Y10T24/44906
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公开(公告)号:US1522803A
公开(公告)日:1925-01-13
申请号:US36710220
申请日:1920-03-19
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
IPC: A41B3/08
CPC classification number: A41B3/08 , Y10T24/1966 , Y10T24/44906
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公开(公告)号:US1162976A
公开(公告)日:1915-12-07
申请号:US1913807248
申请日:1913-12-17
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
CPC classification number: E01B11/08
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公开(公告)号:US855755A
公开(公告)日:1907-06-04
申请号:US1906339328
申请日:1906-10-17
Applicant: BYERS FIRM B
Inventor: BYERS FIRM B
CPC classification number: E01B11/08
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