rotary drilling rig

CN309850166SActive Publication Date: 2026-03-17SHANDONG EXPRESSWAY ENGINEERING EQUIPMENT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2026-03-17

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Abstract

1. The name of the design product: rotary drilling rig. 2. The use of the design product: the design product is used for construction machinery for hole forming operation in building foundation engineering. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1.
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