| http://www.w3.org/ns/prov#value | - A compressor assembling method, comprising the steps of:forming an electrically conductive metal coating with a corrosion resistance greater than that of iron on the surface of an iron joint, said iron joint including a cylindrical portion having a concavely bevelled portion at an end thereof to define a wedge-shaped gap; brazing a pipe having axially extending recesses in the outer periphery surf
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