Lubricating device of cylinder type die cushion

The utility model discloses a lubricating device of a cylinder type die cushion. The lubricating device of the cylinder type die cushion is connected on a distance ring structure at the upper end of each section piston structure or a cylinder upper cover structure. The lubricating device comprises l...

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Bibliographische Detailangaben

Hauptverfasser:	LAN QIJUN, GUO TINGJUN, GUO YAHUI, JIANG ZHIBIN, LIAO LIECHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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