Russian standards PDF
Glassfiber. Quartz fiber, materials and products based on it. Grades and nomenclature of indices
Document status: Active
Glassfiber. Silica fiber, materials and products based on it. Types. Brands
Document status: Active
Threads textile. Method for determination of the breaking load in loop
Document status: Active
Refractories and refractory raw materials. Methods of true density determination
Document status: Active