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织物芯输送带外观质量规定
Conveyor belts with a textile carcass—Specification for appearance quality
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带式输送机用逆止器
Backstop for belt conveyer
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煤矿用带式输送机托辊组布置的主要尺寸
Principle dimensions of idler sets for belt conveyors for coal mining
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跑步机用跑带
Treadmill belts
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料仓用料位开关
Bin level switch of stock bin
价格：￥0.00
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