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+keyword:(polyethylen)
Evaluation of th. compressed ring test for polyethylene gas piping
Geraet fuer die Verlegung von Polyaethylen-Gasverteilerleitungen
Development of improved plastic piping materials and systems for fuel gas distribution
Balloon design for 9000 pounds at 90,000 feet: Recommendations based on heavy - load balloon history
Structural basis of the mechanical properties of polyethylenes