
Technical standard for communication accessory project of residential buildings Part 1:Design standard Part 2:Engineering & acceptance standard
標(biāo)準(zhǔn)號:DG/TJ 08-19606-2004
Technical standard for communication accessory project of residential buildings Part 1:Design standard Part 2:Engineering & acceptance standard
標(biāo)準(zhǔn)號:DG/TJ 08-19606-2004