Device for foerderung of coal from two struts, which extend on both sides of a foerderstrecke

• 1. 一种非煤地下矿山采场用可调节顶板支柱 [P] . 中国专利： CN214660254U . 2021-11-09
• 2. 用于多连杆的起重机型延伸臂、混凝土摊铺机支柱等且具有至少一个延伸臂或支持臂的装置 [P] . 中国专利： CN1488041A . 2004-04-07
• 3. device for the production of coal from two faces, which extend on either side of foerderstrecke [P] . 德国专利： DE000001282576A . 1968-11-14

  机译： 从两个侧面延伸煤炭的设备，该侧面在foerderstrecke的两侧延伸

• 4. Method for obtaining and foerderung of coal in low struts of a small length and apparatus for carrying out this method [P] . 德国专利： DE1080946B . 1960-05-05

  机译： 在小长度的低支杆中获取和送入煤的方法以及实施该方法的设备

• 5. STEEL STRUT EXTENDING METHOD AND STEEL STRUT EXTENDING DEVICE [P] . 日本专利： JP2005194694A . 2005-07-21

  机译： 钢柱延伸方法及钢柱延伸装置

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• 6. Coal-Tar Extended Polysulfide Canal Sealant. Laboratory Tests of Coal-Tar Extended Polysulfide Sealer, Specifically Formulated for Use in Contraction Joints in Concrete-Lined Canals [R] . Uyeda, H. K. 1969

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• 6. 500kV GIL三支柱绝缘子表面电荷测量装置研制 [A] . 韩昊 . 2020