
BS EN 13381-1 - TEST METHODS FOR DETERMINING THE CONTRIBUTION TO THE FIRE RESISTANCE OF STRUCTURAL MEMBERS - PART 1: HORIZONTAL PROTECTIVE MEMBRANES
出版:British Standards Institution

專家解讀視頻
BS EN 13381-1 - TEST METHODS FOR DETERMINING THE CONTRIBUTION TO THE FIRE RESISTANCE OF STRUCTURAL MEMBERS - PART 1: HORIZONTAL PROTECTIVE MEMBRANES
出版:British Standards Institution
專家解讀視頻