Improvements in or relating to metal tubes or metal sheaths of electric cables

794,933. Making corrugated tubing. PIRELLI-GENERAL CABLE WORKS, Ltd. Nov. 16, 1956 [March 7, 1956], No. 7141/56. Class 83 (2). [Also in Groups XXVIII and XXXVI] In making circumferentially or helically corrugated metal tubing or cable sheathing wherein the minimum interior diameter of the corrugatio...

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Bibliographische Detailangaben

1. Verfasser:	PENROSE JAMES RONALD
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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