TY  - BOOK
ED  - Sperry Marine Systems Division
TI  - Technical manual for mark 227 mod o gyrocompass equipement
PY  - 1969///]
CY  - [Virginia]
PB  - Sparry Rand Corporation
KW  - Tecnología
KW  - Girocompás
KW  - Tecnoloxía
KW  - Compás
KW  - Manual
ER  -