Stressed hollow concrete cylinders

Stressed hollow cylinders

Stripping fired thermoplastic ceramics from mold adhesions

Stripping means for concrete slab casting forms

Stripping system for concrete slab casting form

Structural components and mold for their manufacture

Structural units and method for forming same

Structural units and method of forming the same

Support and installation jack for hole forming devices and...

Supporting ring for use in the casting of concrete pipes

Supports for concrete formwork

Surface treated tire curing bladder, treatment composition...

Surface treating method and composition for cement

Surfaces' assembly fittings for the construction of concrete...

System and method of making masonry blocks

System for filling molds with cementitious concrete-like...

System for filling molds with cementitious concrete-like...

System for making composite blocks

System for the continuous manufacture of prefabricated...

System for the production of cast concrete members