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公开(公告)号:US3183017A
公开(公告)日:1965-05-11
申请号:US19163162
申请日:1962-05-01
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21F13/02
CPC classification number: E21F13/025
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公开(公告)号:US2711907A
公开(公告)日:1955-06-28
申请号:US37400253
申请日:1953-08-13
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C , ANDERSHOCK CHESTER E
IPC: E21C35/00
CPC classification number: E21C35/00
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公开(公告)号:US2646871A
公开(公告)日:1953-07-28
申请号:US25107551
申请日:1951-10-12
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21D9/12
CPC classification number: E21D9/128
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公开(公告)号:US3050292A
公开(公告)日:1962-08-21
申请号:US2154560
申请日:1960-04-11
Applicant: GOODMAN MFG CO
Inventor: NEWTON JOHN S , LUNDQUIST RICHARD C
IPC: E21C27/22
CPC classification number: E21C27/22
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公开(公告)号:US3050291A
公开(公告)日:1962-08-21
申请号:US2145360
申请日:1960-04-11
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21C27/22
CPC classification number: E21C27/22
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6.Continuous miner with conveyor having vertically adjustable side walls 失效
Title translation: 带有输送带的连续采矿机具有可垂直调节的侧壁公开(公告)号:US2957686A
公开(公告)日:1960-10-25
申请号:US71978558
申请日:1958-03-07
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21C27/12
CPC classification number: E21C27/124
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公开(公告)号:US2868529A
公开(公告)日:1959-01-13
申请号:US66743657
申请日:1957-06-24
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21C27/12
CPC classification number: E21C27/124
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公开(公告)号:US2695700A
公开(公告)日:1954-11-30
申请号:US18632650
申请日:1950-09-23
Applicant: GOODMAN MFG CO
Inventor: AUGUST LINDGREN FRANK , LUNDQUIST RICHARD C
IPC: E21C27/12
CPC classification number: E21C27/126
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公开(公告)号:US3169797A
公开(公告)日:1965-02-16
申请号:US23109662
申请日:1962-10-17
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C
IPC: E21C35/20
CPC classification number: E21C35/20
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公开(公告)号:US3035822A
公开(公告)日:1962-05-22
申请号:US85506359
申请日:1959-11-24
Applicant: GOODMAN MFG CO
Inventor: LUNDQUIST RICHARD C , DEKAN VINCENT A
IPC: E21D9/11
CPC classification number: E21D9/116
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