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3326004
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Information
Patent Grant
3326004
References
Source
Patent Number
3,326,004
Date Filed
Not available
Date Issued
Tuesday, June 20, 1967
57 years ago
CPC
E21D20/021 - Grouting with inorganic components
A63H33/042 - Mechanical, electrical, optical, pneumatic or hydraulic arrangements; Motors
E21D1/16 - by petrification
US Classifications
405 - Hydraulic and earth engineering
052 - Static structures
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