
DASM INSTITUTE ANNOUNCES THE HOLIDAY SCHEDULE FOR APRIL 30 & MAY 1 

Dear Valued Customers, Partners & All Employees,
In the solemn and proud national atmosphere commemorating the 50th Anniversary of the Liberation of the South and National Reunification (April 30, 1975 – April 30, 2025) and International Workers' Day (May 1), the Institute of Applied Acoustic Materials and Development – DASM respectfully announces the holiday schedule as follows:
Sincerely,
Institute of Applied Acoustic Materials and Development – DASM!

VILAS 1541 · ISO/IEC 17025
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