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公开(公告)号:US2838164A
公开(公告)日:1958-06-10
申请号:US49142355
申请日:1955-03-01
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G39/20
CPC classification number: B65G39/20
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公开(公告)号:US2869713A
公开(公告)日:1959-01-20
申请号:US46614754
申请日:1954-11-01
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G19/28
CPC classification number: B65G19/287
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公开(公告)号:US2854127A
公开(公告)日:1958-09-30
申请号:US48661455
申请日:1955-02-07
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G39/20
CPC classification number: B65G39/20
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公开(公告)号:US2865494A
公开(公告)日:1958-12-23
申请号:US59890056
申请日:1956-07-19
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G39/20
CPC classification number: B65G39/20
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公开(公告)号:US2633230A
公开(公告)日:1953-03-31
申请号:US19476850
申请日:1950-11-09
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G19/28
CPC classification number: B65G19/287
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公开(公告)号:US2616552A
公开(公告)日:1952-11-04
申请号:US14013050
申请日:1950-01-23
Applicant: MINING ENGINEERING CO LTD
Inventor: DUNCAN ANGUS W
IPC: B65G43/00
CPC classification number: B65G43/00 , B65G2812/02108
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