MIL-R-81261A (AMENDMENT-1), MILITARY SPECIFICATION: RAIN REPELLENT, GLASS WINDOW AND WINDSHIELD, FOR IN-FLIGHT APPLICATION (17-JAN-1976) [NO S/S DOCUMENT]
MIL-R-81261A (AMENDMENT-1), MILITARY SPECIFICATION: RAIN REPELLENT, GLASS WINDOW AND WINDSHIELD, FOR IN-FLIGHT APPLICATION (17-JAN-1976) [NO S/S DOCUMENT].