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121/2" HM662XAG שדה נפט התרגיל קצת בשביל קשה היווצרות אבן חול קידוח

pdc סיביות manuacturer pdc סיביות קידוח יהלום pdc התרגיל סיביות pdc התרגיל סיביות מוסיף Website:


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