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1.Conveyer for conveying loose material as coal in coal mines 失效
Title translation: 用于在煤矿中输送松散材料作为煤的输送机公开(公告)号:US2699861A
公开(公告)日:1955-01-18
申请号:US32958253
申请日:1953-01-05
Applicant: STAMICARBON
Inventor: DIJK AREND M VAN
IPC: B65G21/06
CPC classification number: B65G21/06
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2.Conveyer for conveying loose material such as coal in coal mines 失效
Title translation: 用于输送煤矿等松散物料的输送机公开(公告)号:US2699860A
公开(公告)日:1955-01-18
申请号:US32958153
申请日:1953-01-05
Applicant: STAMICARBON
Inventor: DIJK AREND M VAN
IPC: B65G21/06
CPC classification number: B65G21/06
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3.Conveyer for conveying loose material such as coal in coal mines 失效
Title translation: 用于输送煤矿等松散物料的输送机公开(公告)号:US2679314A
公开(公告)日:1954-05-25
申请号:US32958353
申请日:1953-01-05
Applicant: STAMICARBON
Inventor: DIJK AREND M VAN
IPC: B65G21/06
CPC classification number: B65G21/06
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