Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE468000ApublicationCriticalpatent/BE468000A/xx
E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J61/00—Gas-discharge or vapour-discharge lamps
H01J61/02—Details
H01J61/04—Electrodes; Screens; Shields
H01J61/06—Main electrodes
H01J61/073—Main electrodes for high-pressure discharge lamps
H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode