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51. CORREO POSTAL Y TELEGRAFICO
ISSN :
ÃâÆÇ»ç :
±¹°¡ : SPAIN
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
ºÐ·ù :¹ý·ü&ÇàÁ¤&Á¤Ä¡ÇÐ/Á¤Ä¡ÇÐ/°ø¹«&ÇàÁ¤
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52. COURIER (LONDON)
ISSN : 0011-0396
ÃâÆÇ»ç : BRITISH POST OFFICE
±¹°¡ : UNITEDKINGDOM
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
ºÐ·ù :¹ý·ü&ÇàÁ¤&Á¤Ä¡ÇÐ/Á¤Ä¡ÇÐ/°ø¹«&ÇàÁ¤
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53. CSELT TECHNICAL REPORTS
ISSN : 0393-2648
ÃâÆÇ»ç : C S E L T - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.
±¹°¡ : ITALY
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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54. CUSTOMER CONTACT SOLUTIONS
ISSN :
ÃâÆÇ»ç : ADVANSTAR COMMUNICATIONS INC.
±¹°¡ : UNITEDKINGDOM
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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55. DAK TAR
ISSN : 0011-5762
ÃâÆÇ»ç : DEPARTMENT OF POSTS & TELECOMMUNICATIONS
±¹°¡ : INDIA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
ºÐ·ù :¹ý·ü&ÇàÁ¤&Á¤Ä¡ÇÐ/Á¤Ä¡ÇÐ/°ø¹«&ÇàÁ¤
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56. DENDEN KENSETSU NYUSU
ISSN :
ÃâÆÇ»ç : NIHON SOGO TSUSHINSHA
±¹°¡ : JAPAN
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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57. DIANXIN JISHU
ISSN : 1000-1247
ÃâÆÇ»ç : RENMIN YOUDIAN CHUBANSHE
±¹°¡ : CHINA
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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58. DIRECT DIAL
ISSN :
ÃâÆÇ»ç : UNITED ADVERTISING PUBLICATIONS, INC.
±¹°¡ : UNITEDSTATES
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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59. DISCOUNT LONG DISTANCE DIGEST
ISSN :
ÃâÆÇ»ç : VANTEK COMMUNICATIONS
±¹°¡ : UNITEDSTATES
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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60. DOTS & DASHES
ISSN :
ÃâÆÇ»ç : MORSE TELEGRAPH CLUB, INC.
±¹°¡ : UNITEDSTATES
ºÐ·ù :ÄÄÇ»ÅÍ&°øÇÐ/°øÇÐ/Åë½Å½Ã½ºÅÛ
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