00622nam a22002297a 4500 20220312103118.0 220312b ||||| |||| 00| 0 eng d 9788193886816 AL English 23 621.3841 MATG Joseph Mattappally 23469 Gateway to Ham Radio:all about Amateur Radio 2 Kochi Main Stream Media 2021 238 p. PB 21x14 cm. ₹ ₹375.00 Basic Electronics 23462 Radio 23463 MATTAPPALLY (Joseph) 23464 ddc DB 221836 221836 0 0 ddc 0 0 ELE AL AL 2022-03-08 1 621.3841 MATG D04799 2025-12-12 09:58:49 2025-07-18 375.00 2022-03-12 DB