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公开(公告)号:US3358437A
公开(公告)日:1967-12-19
申请号:US55215666
申请日:1966-05-23
Applicant: BURG FRED G
Inventor: BURG FRED G
IPC: G04B19/22
CPC classification number: G04B19/221
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公开(公告)号:US2915923A
公开(公告)日:1959-12-08
申请号:US63676157
申请日:1957-01-28
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: B23Q5/32 , B23Q5/52 , B23Q2705/165 , B23Q2705/22 , Y10T29/5163 , Y10T408/6771
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公开(公告)号:US2776584A
公开(公告)日:1957-01-08
申请号:US35434953
申请日:1953-05-11
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: B23Q11/0003 , B23Q5/266 , Y10T29/5158 , Y10T408/172 , Y10T408/37
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公开(公告)号:US2574016A
公开(公告)日:1951-11-06
申请号:US70919046
申请日:1946-11-12
Applicant: BURG FRED G
Inventor: BURG FRED G
IPC: B23B31/08
CPC classification number: B23B31/08 , Y10T279/17017 , Y10T408/665 , Y10T408/70
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公开(公告)号:US2870659A
公开(公告)日:1959-01-27
申请号:US66909157
申请日:1957-07-01
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: B23G1/08 , B23B39/205 , B23G1/20 , Y10T74/1441 , Y10T408/37 , Y10T408/65 , Y10T408/6779
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公开(公告)号:US2795307A
公开(公告)日:1957-06-11
申请号:US27662252
申请日:1952-03-14
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: G05G21/00 , B23B39/205
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公开(公告)号:US2945402A
公开(公告)日:1960-07-19
申请号:US69438457
申请日:1957-11-04
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: B23Q1/262 , B23Q1/28 , Y10T408/93 , Y10T408/935 , Y10T409/309912
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公开(公告)号:US3279165A
公开(公告)日:1966-10-18
申请号:US43733364
申请日:1964-08-03
Applicant: BURG FRED G
Inventor: BURG FRED G
IPC: G04B19/22
CPC classification number: G04B19/221
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公开(公告)号:US2912011A
公开(公告)日:1959-11-10
申请号:US60320756
申请日:1956-08-02
Applicant: BURG FRED G
Inventor: BURG FRED G
CPC classification number: B23Q5/266 , B23Q11/0003 , F15B21/04 , Y10T137/86734 , Y10T137/86743 , Y10T137/86863 , Y10T137/87298 , Y10T137/87322 , Y10T137/87523 , Y10T137/87917
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公开(公告)号:US2767598A
公开(公告)日:1956-10-23
申请号:US27675552
申请日:1952-03-15
Applicant: BURG FRED G
Inventor: BURG FRED G
IPC: B23Q5/02
CPC classification number: B23Q5/02 , B23Q2705/023 , Y10T74/1441 , Y10T74/1914 , Y10T74/19279 , Y10T74/19437 , Y10T74/2102 , Y10T408/37 , Y10T408/72
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