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  2. Solid Converter PDF - Wikipedia

    en.wikipedia.org/wiki/Solid_Converter_PDF

    Solid Converter PDF is document reconstruction software from Solid Documents which converts PDF files to editable formats. Originally released for the Microsoft Windows operating system, a Mac OS X version was released in 2010. The current versions are Solid Converter PDF 9.0 for Windows and Solid PDF to Word for Mac 2.1.

  3. Smallpdf.com - Wikipedia

    en.wikipedia.org/wiki/Smallpdf.com

    Smallpdf is a Swiss online web-based PDF software, founded in 2013. [2] It offers free version with limited features to compress, convert and edit PDF documents. [ 3 ] And its paid version offers advanced features like OCR, compress, and more [ 4 ] .

  4. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    As of August 2019, XFDF 3.0 is an ISO/IEC standard under the formal name ISO 19444-1:2019 - Document management — XML Forms Data Format — Part 1: Use of ISO 32000-2 (XFDF 3.0). [58] This standard is a normative reference of ISO 32000-2. PDF. The entire document can be submitted rather than individual fields and values, as was defined in PDF ...

  5. Speech recording. The declaration of independence of the Democratic Republic of Vietnam (Vietnamese: Tuyên ngôn độc lập Việt Nam Dân chủ Cộng hòa) was written by Hồ Chí Minh, and announced in public at the Ba Đình flower garden in Hanoi on 2 September 1945.

  6. DC-to-DC converter - Wikipedia

    en.wikipedia.org/wiki/DC-to-DC_converter

    Motor–generators can convert between any combination of DC and AC voltage and phase standards. Large motor–generator sets were widely used to convert industrial amounts of power while smaller units were used to convert battery power (6, 12 or 24 V DC) to a high DC voltage, which was required to operate vacuum tube (thermionic valve) equipment.

  7. Giải phóng miền Nam - Wikipedia

    en.wikipedia.org/wiki/Giải_phóng_miền_Nam

    After the establishment of National Liberation Front of South Vietnam in December 1960, the Front leaders proceeded to make a song as its official anthem.This mission is assigned to the three writers of the famous trio Hoàng - Mai - Lưu: Lưu Hữu Phước, Mai Văn Bộ, and Huỳnh Văn Tiểng.