English translation for "gbj 47-83"

室法吸声系数测量规范

Related Translations:

gbj:  建筑工业行业标准

Similar Words：

"gbj 111-87" English translation, "gbj 122-88" English translation, "gbj 144-90" English translation, "gbj 2-86" English translation, "gbj 43-82" English translation, "gbj 6-86" English translation, "gbj100-87" English translation, "gbj106-87" English translation, "gbj107-87" English translation, "gbj11-89" English translation