EOG81ZHRP IPR017986 73/87 EOG81ZHRP IPR001680 72/87 EOG81ZHRP IPR015943 5/87 EOG81ZHRP IPR019775 3/87 EOG81ZHRP IPR011047 1/87 EOG81ZHRP IPR007087 1/87 EOG81ZHRP IPR012934 1/87