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1.Coal mining apparatus including conveyor system having togglelike articulation 失效
Title translation: 采煤设备包括具有跷跷板铰接的输送系统公开(公告)号:US3306667A
公开(公告)日:1967-02-28
申请号:US48636865
申请日:1965-09-10
Applicant: WILCOX MFG COMPANY
Inventor: TODD TERRILL G
CPC classification number: E21C41/18
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公开(公告)号:US3305268A
公开(公告)日:1967-02-21
申请号:US48640165
申请日:1965-09-10
Applicant: WILCOX MFG COMPANY
Inventor: TODD TERRILL G
CPC classification number: E21C41/18
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3.Belt conveyor suitable for use as an underground coal mining floor conveyor 失效
Title translation: 皮带输送机适用于地下采煤地板输送机公开(公告)号:US3282403A
公开(公告)日:1966-11-01
申请号:US35615164
申请日:1964-03-31
Applicant: WILCOX MFG COMPANY
Inventor: TODD TERRILL G
IPC: B65G21/06
CPC classification number: B65G21/06
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