Portable steamer and cold mist humidifier for concrete work
Potter's wheel comprising a guide device for shaping
Pottery ware manufacture
Pouring concrete into travelling moulds with vibrating...
Pouring hollow concrete beams between sidewalls using...
Powder for continuous casting
Pre-cast concrete panels
Pre-cast concrete slat
Pre-fabricated warped pavement slab, forming and pavement...
Precast building element and method
Precast concrete system
Precast concrete wall system
Precast house making plant
Prefabricated building elements and construction
Prefabricating concrete arches in adjustable mould of...
Preparation of .beta. alumina tubes by the extrusion process
Preparation of high temperature shell molds
Preparation of macroporous alumina extrudates
Preparing complex shapes of ultra-high density silicon...
Preparing strand cable for concrete mold