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103899
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Information
Patent Grant
103899
References
Source
Patent Number
103,899
Date Filed
Not available
Date Issued
Tuesday, June 7, 1870
154 years ago
CPC
E02B17/0863 - with rack and pawl mechanism
E02B17/021 - with relative movement between supporting construction and platform
US Classifications
405 - Hydraulic and earth engineering
175 - Boring or penetrating the earth
254 - Implements or apparatus for applying pushing or pulling force
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