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screw jack
Selling leads
...Screw jack is powered by human through screw pair drive, screw rod or nut sleeve as the jacking parts. Common screw jack rely on screw self-locking ...
2024-12-09 10:42:03
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...jack is also known screw jack can be used upside down.winely used for maintenance of railway vehicles, bridge installation, mining, construction ...
2024-12-09 10:42:03
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