01237cam a22003131a 4500 k 67000929 DLC 20260227111525.0 990719s1959 kn a 000 0 kor k 67000929 (CStRLIN)DCLP99-B8852 DLC DLC-R a-kr--- TK5724.K6 C47 $1 880-01 Choguk Powi Huwŏnhoe. Chungang Wiwŏnhoe. 880-02 Tʻongsin kisul ŭi kichʻo / Choguk Powi Huwŏnhoe Chungang Wiwŏnhoe chŏ. 880-03 Che 4-pʻan. 880-04 Pʻyŏngyang : Kungnip Kongŏp Kisul Sŏjŏk Chʻulpʻansa, 1959. 320 p. : ill. ; 19 cm. Telegraph, Wireless. Radio operators Korea (North) 880-05 Choguk Powi Huwŏnhoe Chungang Wiwŏnhoe. 110-01/$1 조국　보위　후원회. 중앙　위원회. 245-02/$1 통신　기술 의　기초　/ 조국　보위　후원회　중앙　위원회　저. 250-03/$1 제　4판. 260-04/$1 평양 : 국립　공업　기술　서적　출판사, 1959. 710-05/$1 조국　보위　후원회　중앙　위원회. 35418 35418