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Publication of FR847773ApublicationCriticalpatent/FR847773A/fr
E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
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FR847773D1938-06-221938-06-22Perfectionnements à la construction des ouvrages de défense bétonnés
ExpiredFR847773A
(fr)