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B66B17/32

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BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B17/00Hoistway equipment

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B66B17/32for skips

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Patents Grantslast 30 patents

Information Patent Grant
Large-tonnage slender externally powered curve rail-mounted unloadi...
- Patent number 9,878,882
- Issue date Jan 30, 2018
- Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd.
- Zhencai Zhu
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
3532240
- Patent number 3,532,240
- Issue date Oct 6, 1970
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents