Prefabricated structural elements for partitions and walls...
Prefabricated structural unit body and structures thereof
Prefabricated thin wall concrete panel
Prefabricated wall element
Prefabricated wall panel
Prefabricated walls
Preform for manufacturing a material having a plurality of...
Premanufactured structural elements
Pressure relief panel assembly
Prestressed concrete
Prestressed concrete beam
Prestressed concrete beams with wooden inserts and method of...
Prestressed concrete cores for embedment in concrete structures
Prestressed concrete method and apparatus
Prestressed concrete slab reinforcing means
Prestressed concrete structure, a method of producing this...
Prestressed concrete structures and methods for making same
Prestressed construction element of composite structure and...
Prestressed girder and method of making it
Prestressed reinforcing unit for concrete