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  2. 12AX7 - Wikipedia

    en.wikipedia.org/wiki/12AX7

    12AX7 (also known as ECC83 [1]) is a miniature dual-triode vacuum tube with high voltage gain. Developed around 1946 by RCA engineers [ 2 ] in Camden, New Jersey , under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.

  3. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow brevity and standardization of message

  4. List of FIPS region codes - Wikipedia

    en.wikipedia.org/wiki/List_of_FIPS_region_codes

    On September 2, 2008, FIPS 10-4 was one of ten standards withdrawn by NIST as a Federal Information Processing Standard. [ 1 ] [ 2 ] It is to be a neutral replacement for ISO 3166 . [ 3 ]

  5. List of FIPS country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_FIPS_country_codes

    The ISO 3166 codes are used by the United Nations and for Internet top-level country code domains. Non-sovereign entities are in italics. On September 2, 2008, FIPS 10-4 was one of ten standards withdrawn by NIST as a Federal Information Processing Standard.

  6. ISO 3166-2:PH - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-2:PH

    ISO 3166-2:PH is the entry for the Philippines in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

  7. QR Ph - Wikipedia

    en.wikipedia.org/wiki/QR_Ph

    QR Ph (officially the National QR Code Standard) is the standardized quick-response code system adopted in the Philippines, which is based on the Europay-Mastercard-VISA (EMV) standard. It serves as a swift and secure payment method for customers of both participating banks and non-bank electronic money issuers (EMI) in the country.

  8. Vehicle registration plates of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Vehicle_registration...

    philippines 2000 (1995–2000) ANGAT PINOY 2004 ("Rising Filipino 2004", in production 2000–2001) PILIPINAS - PERLAS NG SILANGAN ("Pearl of the Orient", in production 2002)

  9. List of airlines of the Philippines - Wikipedia

    en.wikipedia.org/wiki/List_of_airlines_of_the...

    Philippines AirAsia: Z2 APG COOL RED Manila: 2010 Founded as AirAsia Philippines and commenced operations in 2012, then 2015 as Philippines AirAsia. Royal Air Philippines: RW RYL DOUBLE GOLD Clark: 2002 Founded as Royal Air Charter Service in 2002 and started regular scheduled services as Royal Air Philippines under new management since July 2017.