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person:(wang xiaowei)
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person:(yang xiaowei)
CONVERSION SYSTEM OF ONE-MACHINE MULTI-POINT TRACTION TURNOUT
Conversion system of one-machine multi-point traction turnout
RAILROAD SWITCH CONTACT GROUP CAPABLE OF PREVENTING ARC DAMAGE, AND METHOD
TRANSFER DETECTION ROD FOR CONVERSION EQUIPMENT, AND REVERSING METHOD
Transfer detection rod for conversion equipmentand method