TY - BOOK ID - 125270493 TI - Improved circumferential shaft seal for aircraft gear transmissions AU - Ludwig, Lawrence P. AU - Strom, Thomas N. AU - United States. AU - Lewis Research Center. PY - 1973 PB - Washington, D.C. : National Aeronautics and Space Administration, DB - UniCat KW - Rings. KW - Sealing. KW - Sealing (Technology) KW - Airplanes. UR - https://www.unicat.be/uniCat?func=search&query=sysid:125270493 AB - ER -