2020
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Invention
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Prestressed concrete.
An object to provide a prestressed concrete that can be widely used for ge... |
|
Invention
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Prestressed concrete. [Problem] To provide prestressed concrete that can be widely used as a gene... |
2018
|
Invention
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Underwater concrete structure manufacturing method. [Problem] The present invention addresses the... |
2017
|
Invention
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Method for producing prestressed concrete. [Problem] To address the problem of providing prestres... |
2015
|
Invention
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Prestressed concrete for non-primary structural members. To provide a prestressed concrete which ... |