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Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides?keyword=Safety protector on drilling machines etc comprises telescopic elements adjustable to length of drill and able to pivot sideways round drill axis to surround drill on three sides 专利,更快更准确