تعداد ۱ پاسخ غیر تکراری از ۲ پاسخ تکراری در مدت زمان ۷,۱۳ ثانیه یافت شد.

1. A Chinese biogas manual popularising technology in the Countryside

پدیدآورنده : edited by Ariane Van Buren frm the original by the office of the Leading group for the propagation of Marshgas, Sichuan (Szechuan) province, peoples, Republic of China. Technical editor Leo Pyle Translator Michael Crook

موضوع : Gas- Producers-- Handbooks, manuals, etc-- China,Gas as fuel-- Handbooks, manuals, etc-- China

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