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公开(公告)号:ZA752599B
公开(公告)日:1976-06-30
申请号:ZA752599
申请日:1975-04-22
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: E21D20060101 , E21D
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公开(公告)号:ZA7501748B
公开(公告)日:1976-06-30
申请号:ZA7501748
申请日:1975-03-20
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: B65G20060101 , B65G
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公开(公告)号:ZA7501704B
公开(公告)日:1976-06-30
申请号:ZA7501704
申请日:1975-05-19
Applicant: CHAMBER OF MINES SERVICES LTD
Inventor: BUCKMASTER A , JOUGHIN N , COOK N
IPC: B65G20060101 , B65G
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公开(公告)号:ZA7404077B
公开(公告)日:1976-02-25
申请号:ZA7404077
申请日:1974-06-25
Applicant: CHAMBER OF MINES SERVICES LTD
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公开(公告)号:ZA747536B
公开(公告)日:1976-01-28
申请号:ZA747536
申请日:1974-11-26
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: E21C20060101 , E21C
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公开(公告)号:ZA7209016B
公开(公告)日:1974-02-27
申请号:ZA7209016
申请日:1972-12-21
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: B65G20060101 , B65G
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公开(公告)号:ZA7200429B
公开(公告)日:1973-05-30
申请号:ZA7200429
申请日:1972-01-21
Applicant: CHAMBER OF MINES SERVICES LTD
Inventor: BARRATT J , JOUGHIN N , HOJEM J , COOK N , WEISBROD G
IPC: E21C20060101 , E21C
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公开(公告)号:ZA7002898B
公开(公告)日:1971-12-29
申请号:ZA7002898
申请日:1970-04-29
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: F16J20060101 , F16J
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公开(公告)号:ZA702897B
公开(公告)日:1971-10-27
申请号:ZA702897
申请日:1970-04-29
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: B02C20060101 , B02C
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公开(公告)号:ZA7504451B
公开(公告)日:1977-04-27
申请号:ZA7504451
申请日:1975-07-11
Applicant: CHAMBER OF MINES SERVICES LTD
IPC: B65G20060101 , B65G
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