Invention Grant
- Patent Title: Method for aerating cement and the like
- Patent Title (中): 水泥等的充气方法
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Application No.: US16704237Application Date: 1937-10-02
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Publication No.: US2220193APublication Date: 1940-11-05
- Inventor: NIKOLAI AHLMANN
- Applicant: SMIDTH & CO AS F L
- Assignee: FLSmidth and Co A/S
- Current Assignee: FLSmidth and Co A/S
- Priority: GB2220193X 1936-10-05
- Main IPC: C04B7/47
- IPC: C04B7/47
Public/Granted literature
- US11455980B2 Vehicle and controlling method of vehicle Public/Granted day:2022-09-27
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